ATC R4-150 Pro The ATC R4-150 Pro is a professional 4-channel studio power amplifier designed for high-end monitoring installations in recording, mixing and post-production environments. Its quad-mono architecture provides extremely precise, low-noise amplification for demanding multi-channel and immersive audio systems. Each of the four amplifier channels features its own dedicated power supply and delivers 150 W of continuous output power, ensuring minimal crosstalk and stable performance even when all channels are driven simultaneously. The discrete Class-A/B MOSFET amplifier topology is derived from ATC’s professional studio electronics and provides ultra-low distortion and extremely wide bandwidth. With fanless convection cooling, the amplifier operates completely silently, making it suitable for installation directly in control rooms. The R4-150 Pro was designed to complement installation monitors such as the ATC SSM12i Pro and SSM25i Pro, making it ideal for surround, immersive and Dolby Atmos monitoring systems. Sound Character The R4-150 Pro delivers extremely clean, transparent and low-distortion amplification, optimized for high-resolution studio monitoring. Its discrete MOSFET circuitry provides exceptional bandwidth and very low distortion, allowing the finest audio details to pass through without coloration. The quad-mono architecture further minimizes channel interaction and ensures precise imaging in multi-channel monitoring environments. The result is highly controlled, accurate and dynamic amplification ideally suited for critical monitoring systems. Highlights ✔ 4-channel quad-mono studio power amplifier ✔ 150 W per channel @ 8 Ω (all channels driven) ✔ discrete Class-A/B MOSFET amplifier design ✔ independent power supply for each channel ✔ fanless convection cooling for silent operation ✔ very high common-mode rejection (CMRR) ✔ balanced XLR inputs and Neutrik NL4 speaker outputs ✔ remote power trigger input for installation systems ✔ integrated limiter and protection circuits ✔ 5U 19" rackmount design Typical Studio Applications ✔ amplification for passive studio monitors ✔ Dolby Atmos and immersive audio monitoring systems ✔ multi-channel surround monitoring ✔ studio installations using ATC SSM installation speakers ✔ broadcast and post-production facilities Technical Specifications ✔ device type: 4-channel studio power amplifier (quad-mono) ✔ amplifier topology: grounded-source MOSFET Class-A/B ✔ output power: 150 W per channel @ 8 Ω ✔ THD+N: 0.0007 % (1 kHz) ✔ signal-to-noise ratio: 119 dB ✔ frequency response: < 5 Hz – > 400 kHz (-3 dB) ✔ damping factor: > 500 ✔ crosstalk: > 100 dB (20 Hz – 20 kHz) ✔ inputs: 4× balanced XLR ✔ speaker outputs: Neutrik NL4 connectors ✔ cooling: fanless convection cooling ✔ rack format: 19" / 5U ✔ dimensions: 221 × 483 × 450 mm ✔ weight: approx. 26 kg

ATC SCM100ASL Pro The ATC SCM100ASL Pro is a high-performance 3-way active reference studio monitor designed for professional recording, mixing and mastering environments. It is particularly suited for midfield and main monitoring in medium-to-large control rooms, offering extremely accurate full-range sound reproduction and high dynamic headroom. The system features a 12-inch Super-Linear low-frequency driver, a 75 mm soft-dome midrange driver, and a 25 mm dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by an integrated 350 W Class-A/B MOSFET tri-amplifier system for precise control and minimal distortion. With low-frequency extension down to approximately 32 Hz (-6 dB) and maximum continuous output levels of around 115 dB SPL, the SCM100ASL Pro provides powerful and accurate monitoring for demanding studio installations. Sound Character The SCM100ASL Pro delivers extremely transparent, dynamic and highly detailed sound reproduction across the entire frequency spectrum. ATC’s renowned soft-dome midrange driver provides exceptional clarity and realism for vocals and instruments, while the Super-Linear woofer produces deep and controlled low-frequency performance. The dual-suspension tweeter ensures smooth and precise high-frequency detail. Combined with active crossovers and dedicated amplification, the system offers excellent stereo imaging and highly accurate monitoring for critical production decisions. Highlights ✔ 3-way active reference studio monitor for midfield and main monitoring ✔ 12" / 314 mm Super-Linear bass driver ✔ 75 mm ATC soft-dome midrange driver ✔ 25 mm dual-suspension soft-dome tweeter ✔ integrated Class-A/B MOSFET tri-amplification (350 W) ✔ 4th-order Linkwitz-Riley active crossover ✔ adjustable LF contour control ✔ wide ±80° horizontal dispersion ✔ balanced XLR input ✔ hand-built in England Typical Studio Applications ✔ midfield monitoring in professional recording studios ✔ main monitoring in medium-sized control rooms ✔ mastering studios with full-range monitoring ✔ film and post-production facilities ✔ stereo and surround monitoring systems Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 12" / 314 mm Super-Linear woofer 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 200 W MF: 100 W HF: 50 W ✔ total power: 350 W ✔ frequency response (-6 dB): 32 Hz – 25 kHz ✔ amplitude linearity: 65 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 115 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: balanced XLR ✔ input sensitivity: 1 V ✔ input impedance: >10 kΩ

ATC SCM110ASL Pro The ATC SCM110ASL Pro is a high-performance 3-way active reference studio monitor designed for professional recording, mixing and mastering environments. It is particularly suited for midfield and main monitoring in medium-to-large control rooms, delivering extremely accurate full-range sound reproduction and high dynamic headroom. The system features two 9-inch Super-Linear low-frequency drivers, a 75 mm soft-dome midrange driver, and a 25 mm dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by an integrated 350 W Class-A/B MOSFET tri-amplifier system, providing precise driver control and low distortion. With maximum output levels of around 115 dB SPL and low-frequency extension down to 30 Hz, the SCM110ASL Pro delivers powerful and accurate monitoring suitable for demanding professional studios. Sound Character The SCM110ASL Pro delivers extremely transparent, dynamic and detailed sound reproduction across the entire frequency spectrum. ATC’s renowned soft-dome midrange driver ensures exceptional clarity and realism for vocals and instruments, while the dual Super-Linear woofers provide deep and controlled low-frequency performance. Combined with active crossovers and dedicated amplification, the system offers stable stereo imaging and highly accurate monitoring for critical production decisions. Highlights ✔ 3-way active reference studio monitor for midfield and main monitoring ✔ dual 9" / 234 mm Super-Linear bass drivers ✔ 75 mm ATC soft-dome midrange driver ✔ 25 mm dual-suspension soft-dome tweeter ✔ integrated Class-A/B MOSFET tri-amplification (350 W) ✔ 4th-order active crossover with phase correction ✔ adjustable LF EQ (+6 dB @ 40 Hz) ✔ wide ±80° horizontal dispersion ✔ hand-built in England Typical Studio Applications ✔ midfield monitoring in professional recording studios ✔ main monitoring in medium-sized control rooms ✔ mastering studios with full-range monitoring ✔ film and post-production facilities ✔ stereo and surround monitoring systems Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 2× 9" / 234 mm Super-Linear woofers 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 200 W MF: 100 W HF: 50 W ✔ total power: 350 W ✔ frequency response (-6 dB): 30 Hz – 25 kHz ✔ amplitude linearity: 50 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 115 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: balanced XLR ✔ dimensions: 715 × 625 × 420 mm ✔ weight: approx. 73 kg per speaker

ATC SCM150ASL Pro The ATC SCM150ASL Pro is a large-format 3-way active reference studio monitor designed for professional recording, mixing and mastering studios. It is ideal for midfield and main monitoring in medium- to large-sized control rooms, delivering exceptional dynamic range and extremely accurate full-range sound reproduction. The system features a 15-inch Super-Linear low-frequency driver, a 75 mm soft-dome midrange driver, and a 25 mm dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by an integrated tri-amped Class-A/B MOSFET amplifier system delivering approximately 350 W total power. With low-frequency extension down to 25 Hz and maximum output levels of around 117 dB SPL, the SCM150ASL Pro provides powerful and accurate full-range monitoring for demanding studio environments. Sound Character The SCM150ASL Pro delivers extremely transparent, powerful and highly detailed sound reproduction across the entire frequency spectrum. ATC’s renowned “Super Dome” midrange driver provides exceptional clarity and realism for vocals and instruments, while the large 15-inch woofer delivers deep and controlled low-frequency performance. The dual-suspension tweeter ensures smooth and extended high-frequency detail. Combined with active crossovers and dedicated amplification, the system offers outstanding stereo imaging and highly reliable monitoring for critical production decisions. Highlights ✔ 3-way active reference studio monitor ✔ 15" / 375 mm Super-Linear bass driver ✔ 75 mm ATC soft-dome midrange driver ✔ 25 mm dual-suspension soft-dome tweeter ✔ integrated Class-A/B MOSFET tri-amplification (350 W) ✔ 4th-order active crossover with phase correction ✔ adjustable LF EQ (+6 dB @ 40 Hz) ✔ wide ±80° horizontal dispersion ✔ hand-built in England Typical Studio Applications ✔ midfield monitoring in professional recording studios ✔ main monitoring in medium-sized control rooms ✔ mastering studios with full-range monitoring ✔ film and post-production facilities ✔ stereo and surround monitoring systems Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 15" / 375 mm Super-Linear woofer 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 200 W MF: 100 W HF: 50 W ✔ frequency response (-6 dB): 25 Hz – 25 kHz ✔ amplitude linearity: 60 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 117 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: balanced XLR ✔ dimensions: 884 × 498 × 568 mm ✔ weight: approx. 75 kg per speaker

ATC SCM20ASL Pro MkII V2 The ATC SCM20ASL Pro MkII V2 is a compact 2-way active reference studio monitor designed for critical nearfield monitoring in professional recording, mixing and mastering environments. Despite its relatively small size, it delivers exceptional accuracy, high dynamic headroom and extremely transparent sound reproduction. The monitor combines ATC’s proprietary 150 mm Super-Linear mid/bass driver with a 25 mm dual-suspension soft-dome tweeter, both designed and manufactured in-house. These drivers are powered by an integrated Class-A/B MOSFET bi-amplification system, ensuring precise control and low distortion across the entire frequency range. Its sealed cabinet design provides tight, controlled bass response and excellent transient accuracy, making the SCM20ASL Pro MkII V2 an ideal monitoring tool for critical listening tasks. Sound Character The SCM20ASL Pro MkII V2 is known for its extremely neutral and highly detailed sound reproduction. ATC’s Super-Linear driver technology minimizes distortion in the critical midrange, allowing vocals and instruments to be reproduced with exceptional clarity and realism. The sealed enclosure further contributes to tight and accurate low-frequency response without exaggerated bass. This results in a highly reliable monitoring reference for precise mixing and mastering decisions. Highlights ✔ compact 2-way active studio monitor for nearfield applications ✔ proprietary 6.5" / 150 mm Super-Linear mid/bass driver ✔ 1" / 25 mm dual-suspension soft-dome tweeter ✔ discrete Class-A/B MOSFET bi-amplification ✔ 250 W total power (200 W LF + 50 W HF) ✔ sealed cabinet design for tight bass response ✔ wide dispersion for accurate stereo imaging ✔ balanced XLR audio input ✔ hand-built in England Typical Studio Applications ✔ nearfield monitoring for mixing ✔ mastering reference monitoring ✔ professional recording studios ✔ LCR monitoring in smaller control rooms ✔ surround monitoring in multi-channel setups Technical Specifications ✔ speaker type: 2-way active studio monitor ✔ drivers: 6.5" / 150 mm Super-Linear mid/bass driver 1" / 25 mm dual-suspension soft-dome tweeter ✔ amplifier power: LF: 200 W HF: 50 W ✔ frequency range: 55 Hz – 25 kHz (-6 dB) ✔ frequency response: 80 Hz – 20 kHz (±2 dB) ✔ maximum SPL: 108 dB @1 m ✔ crossover frequency: 2.1 kHz ✔ input: 1× balanced XLR ✔ input sensitivity: 1 V ✔ dimensions: approx. 450 × 250 × 392 mm ✔ weight: approx. 28 kg per speaker

ATC SCM200ASL Pro The ATC SCM200ASL Pro is a large-format 3-way active main studio monitor designed for professional recording, mixing and mastering studios. It delivers extremely accurate full-range sound reproduction, high output capability and outstanding dynamic headroom for large control rooms and high-end studio installations. The system features two 12-inch Super-Linear low-frequency drivers, a 75 mm soft-dome midrange driver, and a 34 mm soft-dome tweeter, all designed and manufactured by ATC. These drivers are powered by an external ATC P4 Class-A/B amplifier system delivering approximately 850 W of total power. With maximum continuous output levels of around 118 dB SPL and low-frequency extension down to 32 Hz free-standing or approximately 25 Hz when soffit-mounted, the SCM200ASL Pro is ideally suited as a main monitoring system for large recording studios and post-production facilities. Sound Character The SCM200ASL Pro delivers extremely powerful, transparent and highly detailed sound reproduction across the entire frequency spectrum. ATC’s renowned “Super Dome” midrange driver provides exceptional clarity and realism for vocals and instruments, while the dual 12-inch woofers produce deep, controlled low-frequency performance. Combined with active crossovers and dedicated amplification, the system offers outstanding stereo imaging and extremely accurate monitoring for critical production decisions. Highlights ✔ large-format 3-way active main studio monitor ✔ dual 12" / 314 mm Super-Linear bass drivers ✔ 75 mm ATC soft-dome midrange driver ✔ 34 mm soft-dome tweeter ✔ external ATC P4 Class-A/B amplifier (~850 W total power) ✔ 4th-order active crossovers with phase correction ✔ very high SPL capability for large control rooms ✔ suitable for freestanding or soffit-mounted installations ✔ hand-built in England Typical Studio Applications ✔ main monitoring system for large recording studios ✔ mastering control rooms ✔ film and post-production facilities ✔ immersive audio and surround monitoring environments ✔ high-end studio installations Technical Specifications ✔ speaker type: 3-way active main studio monitor ✔ drivers: 2× 12" / 314 mm Super-Linear woofers 3" / 75 mm soft-dome midrange 1.25" / 34 mm soft-dome tweeter ✔ amplifier power (ATC P4): LF: 275 W + 275 W MF: 200 W HF: 100 W ✔ total power: approx. 850 W ✔ frequency response (-6 dB): 32 Hz – 20 kHz free-standing / ~25 Hz – 20 kHz soffit-mounted ✔ maximum SPL: 118 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ dispersion: ±80° horizontal / ±10° vertical ✔ input: balanced XLR ✔ dimensions: 832 × 728 × 424 mm ✔ weight: approx. 79 kg per speaker

ATC SCM25A Pro Mk2 The ATC SCM25A Pro Mk2 is a compact 3-way active studio monitor designed for professional recording, mixing and mastering environments. Despite its relatively compact size, it delivers exceptional midrange clarity, high output capability and extremely accurate sound reproduction – characteristics that have made ATC monitors a studio standard worldwide. The system is built around a tri-amped discrete MOSFET Class A/B amplifier design, where each driver is powered by its own amplifier. This architecture ensures precise driver control, low distortion and excellent integration between frequency bands. The Mk2 version introduces ATC’s SH25-76S dual-suspension tweeter, extending the high-frequency response while reducing distortion and improving detail resolution. With its combination of compact form factor, exceptional midrange accuracy and powerful output, the SCM25A Pro Mk2 is ideal for nearfield and midfield monitoring in demanding studio applications. Sound Character The SCM25A Pro Mk2 is renowned for its extremely accurate and transparent sound reproduction. ATC’s famous soft-dome midrange driver provides exceptional clarity and realism in the critical mid-frequency range, making vocals and instruments sound highly natural. The 6.5-inch woofer delivers tight, controlled low frequencies, while the dual-suspension tweeter offers smooth, extended high-frequency detail. This design results in stable stereo imaging and outstanding mix translation. Highlights ✔ compact 3-way reference active studio monitor ✔ proprietary ATC soft-dome midrange driver technology ✔ SH25-76S dual-suspension tweeter for extended HF response ✔ discrete tri-amped Class A/B MOSFET amplification ✔ wide dispersion for excellent stereo imaging ✔ 4th-order Linkwitz-Riley active crossovers ✔ adjustable input sensitivity and bass-lift control ✔ hand-built in England Typical Studio Applications ✔ nearfield monitoring for mixing ✔ mastering reference monitoring ✔ high-end recording studios ✔ post-production and broadcast facilities ✔ stereo and surround monitoring systems Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 6.5" / 164 mm ATC bass driver 3" / 75 mm soft-dome midrange (SM75-150) 1" / 25 mm dual-suspension soft-dome tweeter ✔ amplifier power (tri-amped): LF: 150 W MF: 60 W HF: 32 W ✔ frequency response: 47 Hz – 25 kHz (-6 dB) ✔ maximum SPL: 109 dB continuous / 115 dB peak (per pair) ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: balanced XLR ✔ input sensitivity: 2.2 dBu / 1 Vrms ✔ dimensions: 271 × 430 × 411 mm ✔ weight: approx. 25 kg per speaker

ATC SCM300ASL Pro The ATC SCM300ASL Pro is a large-format 3-way active main studio monitor designed for professional recording, mixing and mastering studios. It delivers exceptional dynamic range, extremely high output capability and highly accurate full-range sound reproduction for large control rooms and high-end studio installations. The system features two 15-inch Super-Linear low-frequency drivers, a 75 mm soft-dome midrange driver, and a 34 mm soft-dome tweeter, all designed and manufactured by ATC. These drivers are powered by an external ATC P4 Class-A/B amplifier system delivering approximately 850 W total power. With maximum levels of up to 121 dB SPL and low-frequency extension down to 25 Hz free-standing or 20 Hz when soffit-mounted, the SCM300ASL Pro is ideally suited as a main monitoring system in large recording and post-production facilities. Sound Character The SCM300ASL Pro delivers extremely powerful, transparent and highly detailed sound reproduction across the entire frequency spectrum. ATC’s renowned soft-dome midrange driver provides exceptional clarity and realism for vocals and instruments, while the dual 15-inch woofers deliver deep and controlled low-frequency performance. Combined with the active crossover and dedicated amplification, the system offers outstanding stereo imaging and extremely accurate monitoring for critical production decisions. Highlights ✔ large-format 3-way active main studio monitor ✔ dual 15" / 375 mm Super-Linear bass drivers ✔ 75 mm ATC soft-dome midrange driver ✔ 34 mm soft-dome tweeter ✔ external ATC P4 Class-A/B amplifier (~850 W total power) ✔ 4th-order active crossover with phase correction ✔ extremely high maximum SPL for large control rooms ✔ suitable for freestanding or soffit-mounted installations ✔ hand-built in England Typical Studio Applications ✔ main monitoring system in large recording studios ✔ mastering control rooms ✔ film and post-production facilities ✔ immersive audio and surround monitoring rooms ✔ large-scale professional studio installations Technical Specifications ✔ speaker type: 3-way active main studio monitor ✔ drivers: 2× 15" / 375 mm Super-Linear woofers 3" / 75 mm soft-dome midrange 1.25" / 34 mm soft-dome tweeter ✔ amplifier power (ATC P4): LF: 275 W + 275 W MF: 200 W HF: 100 W ✔ total power: approx. 850 W ✔ frequency response (-6 dB): 25 Hz – 20 kHz free-standing / 20 Hz – 20 kHz soffit-mounted ✔ maximum SPL: 121 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ dispersion: ±80° horizontal / ±10° vertical ✔ input: balanced XLR ✔ dimensions: 884 × 925 × 460 mm ✔ weight: approx. 87 kg per speaker

ATC SCM45A Pro The ATC SCM45A Pro is a high-performance 3-way active studio monitor designed for professional recording, mixing and mastering environments. It combines compact dimensions with high output capability and exceptional detail resolution, making it suitable for nearfield and midfield monitoring in demanding studio applications. The system features two 6.5-inch low-frequency drivers, a 3-inch soft-dome midrange driver, and a 1-inch dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by a built-in discrete MOSFET Class-A/B tri-amplifier, ensuring precise control and low distortion across the entire frequency range. Thanks to its symmetrical cabinet design, the SCM45A Pro can be used both as a stereo monitor and as a center speaker in LCR or surround monitoring systems. Sound Character The SCM45A Pro delivers extremely transparent, dynamic and detailed sound reproduction with outstanding midrange accuracy. ATC’s renowned soft-dome midrange driver provides exceptional clarity for vocals and instruments, while the dual woofers deliver deep, controlled bass. The dual-suspension tweeter adds smooth, extended high-frequency detail. This combination results in stable stereo imaging and reliable monitoring for critical mixing and mastering decisions. Highlights ✔ 3-way active studio monitor for nearfield and midfield monitoring ✔ dual 6.5" / 164 mm ATC bass drivers ✔ 3" / 75 mm ATC soft-dome midrange driver ✔ 1" / 25 mm dual-suspension soft-dome tweeter ✔ discrete Class-A/B MOSFET tri-amplification ✔ 235 W total amplifier power (150 W LF + 60 W MF + 25 W HF) ✔ 4th-order Linkwitz-Riley active crossovers ✔ adjustable input sensitivity and bass lift control ✔ balanced XLR input ✔ hand-built in England Typical Studio Applications ✔ midfield monitoring in professional control rooms ✔ nearfield monitoring on meter bridge positions ✔ LCR monitoring for surround studios ✔ recording, mixing and mastering environments ✔ broadcast and post-production facilities Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 2× 6.5" / 164 mm carbon-paper bass drivers 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 150 W MF: 60 W HF: 25 W ✔ frequency range: 42 Hz – 25 kHz (-6 dB) ✔ frequency response: 70 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 112 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: 1× balanced XLR ✔ input sensitivity: 1 V rms ✔ dimensions: 353 × 600 × 375 mm ✔ weight: approx. 36 kg per speaker

ATC SCM45A Pro The ATC SCM45A Pro is a high-performance 3-way active studio monitor designed for professional recording, mixing and mastering environments. It combines compact dimensions with high output capability and exceptional detail resolution, making it suitable for nearfield and midfield monitoring in demanding studio applications. The system features two 6.5-inch low-frequency drivers, a 3-inch soft-dome midrange driver, and a 1-inch dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by a built-in discrete MOSFET Class-A/B tri-amplifier, ensuring precise control and low distortion across the entire frequency range. Thanks to its symmetrical cabinet design, the SCM45A Pro can be used both as a stereo monitor and as a center speaker in LCR or surround monitoring systems. Sound Character The SCM45A Pro delivers extremely transparent, dynamic and detailed sound reproduction with outstanding midrange accuracy. ATC’s renowned soft-dome midrange driver provides exceptional clarity for vocals and instruments, while the dual woofers deliver deep, controlled bass. The dual-suspension tweeter adds smooth, extended high-frequency detail. This combination results in stable stereo imaging and reliable monitoring for critical mixing and mastering decisions. Highlights ✔ 3-way active studio monitor for nearfield and midfield monitoring ✔ dual 6.5" / 164 mm ATC bass drivers ✔ 3" / 75 mm ATC soft-dome midrange driver ✔ 1" / 25 mm dual-suspension soft-dome tweeter ✔ discrete Class-A/B MOSFET tri-amplification ✔ 235 W total amplifier power (150 W LF + 60 W MF + 25 W HF) ✔ 4th-order Linkwitz-Riley active crossovers ✔ adjustable input sensitivity and bass lift control ✔ balanced XLR input ✔ hand-built in England Typical Studio Applications ✔ midfield monitoring in professional control rooms ✔ nearfield monitoring on meter bridge positions ✔ LCR monitoring for surround studios ✔ recording, mixing and mastering environments ✔ broadcast and post-production facilities Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 2× 6.5" / 164 mm carbon-paper bass drivers 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 150 W MF: 60 W HF: 25 W ✔ frequency range: 42 Hz – 25 kHz (-6 dB) ✔ frequency response: 70 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 112 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: 1× balanced XLR ✔ input sensitivity: 1 V rms ✔ dimensions: 353 × 600 × 375 mm ✔ weight: approx. 36 kg per speaker

ATC SCM50ASL Pro The ATC SCM50ASL Pro is a high-performance 3-way active reference studio monitor designed for professional recording, mixing and mastering environments. It is widely used for nearfield and midfield monitoring in medium-sized control rooms, delivering extremely accurate and dynamic sound reproduction. The system features a 9-inch Super-Linear low-frequency driver, a 75 mm soft-dome midrange driver, and a 25 mm dual-suspension tweeter, all designed and manufactured by ATC. Each driver is powered by its own amplifier in an integrated 350 W Class-A/B MOSFET tri-amplifier system. Thanks to the active crossover and precisely matched amplification stages, the SCM50ASL Pro provides exceptional stereo imaging and highly accurate monitoring performance for professional studio work. Sound Character The SCM50ASL Pro delivers extremely transparent, detailed and dynamic sound reproduction with exceptional midrange accuracy. ATC’s renowned soft-dome midrange driver ensures highly natural reproduction of vocals and instruments. The Super-Linear woofer provides tight and controlled bass, while the dual-suspension tweeter delivers smooth and extended high-frequency detail. The tri-amped active design results in precise transient response and a highly stable stereo image, making it ideal for critical mixing and mastering decisions. Highlights ✔ 3-way active reference studio monitor for nearfield and midfield applications ✔ 9" / 234 mm Super-Linear bass driver ✔ 75 mm ATC soft-dome midrange driver ✔ 25 mm dual-suspension soft-dome tweeter ✔ integrated Class-A/B MOSFET tri-amplification (350 W) ✔ 4th-order Linkwitz-Riley active crossover ✔ adjustable LF contour control (+6 dB @ 40 Hz) ✔ wide ±80° horizontal dispersion ✔ balanced XLR input ✔ hand-built in England Typical Studio Applications ✔ nearfield and midfield monitoring in professional studios ✔ mastering reference monitoring ✔ LCR monitoring for surround and immersive audio systems ✔ broadcast and post-production environments ✔ high-end stereo monitoring installations Technical Specifications ✔ speaker type: 3-way active studio monitor ✔ drivers: 9" / 234 mm Super-Linear woofer 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 200 W MF: 100 W HF: 50 W ✔ total power: 350 W ✔ frequency response (-6 dB): 38 Hz – 25 kHz ✔ amplitude linearity: 70 Hz – 17 kHz (±2 dB) ✔ maximum SPL: 112 dB @1 m ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ input: balanced XLR ✔ input impedance: >10 kΩ ✔ dimensions: 716 × 351 × 400 mm ✔ weight: approx. 49 kg per speaker

ATC SCM105AC Pro The ATC SCM105AC Pro is a high-performance 3-way active centre-channel studio monitor designed for professional recording, mixing and post-production environments. It is specifically engineered for multichannel and immersive audio systems such as 5.1, 7.1 and Dolby Atmos. The loudspeaker features dual 9-inch Super-Linear bass drivers, a 75 mm ATC soft-dome midrange driver, and a 25 mm dual-suspension tweeter, all designed and manufactured by ATC. These drivers are powered by an integrated 350 W MOSFET tri-amplifier system with precision active crossovers. Its low-profile cabinet design allows easy installation under screens or in front-wall monitoring systems, while the symmetrical driver layout ensures stable and accurate centre-channel imaging. Sound Character The SCM105AC Pro delivers extremely precise and stable centre-channel reproduction, ideal for dialogue, lead vocals and centrally positioned mix elements. The combination of dual SL woofers, ATC’s renowned soft-dome midrange and the S-Spec tweeter provides tight bass response, highly natural midrange detail and smooth high-frequency clarity. The result is transparent, dynamic sound with excellent centre imaging even at high SPL levels. It integrates seamlessly with other ATC monitors such as the SCM50A Pro, SCM100A Pro and SCM110A Pro, ensuring tonal consistency across the entire monitoring system. Highlights ✔ 3-way active centre-channel studio monitor ✔ designed for 5.1, 7.1 and Dolby Atmos monitoring systems ✔ dual 9" / 234 mm Super-Linear bass drivers ✔ 75 mm ATC soft-dome midrange driver ✔ 25 mm S-Spec dual-suspension tweeter ✔ integrated 350 W MOSFET tri-amplification ✔ 4th-order Linkwitz-Riley active crossover ✔ symmetrical driver layout for accurate centre imaging ✔ low-profile cabinet design for easy installation ✔ hand-built in England Typical Studio Applications ✔ centre speaker for 5.1 and 7.1 surround monitoring ✔ Dolby Atmos and immersive audio control rooms ✔ film and post-production mixing stages ✔ broadcast and television audio studios ✔ integration with ATC midfield monitoring systems Technical Specifications ✔ speaker type: 3-way active centre-channel monitor ✔ drivers: 2 × 9" / 234 mm Super-Linear woofers 3" / 75 mm soft-dome midrange 1" / 25 mm dual-suspension tweeter ✔ amplifier power: LF: 200 W MF: 100 W HF: 50 W ✔ total power: 350 W ✔ frequency response (-6 dB): 30 Hz – 25 kHz ✔ amplitude linearity: 50 Hz – 17 kHz (±2 dB) ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ maximum SPL: 115 dB continuous / 121 dB peak ✔ inputs: balanced XLR ✔ dimensions: approx. 370 × 950 × 500 mm ✔ weight: approx. 66.5 kg

ATC SCS120 Pro Subwoofer The ATC SCS120 Pro Subwoofer is a high-performance 15-inch active studio subwoofer designed to extend the low-frequency response of ATC’s professional monitoring systems. It is engineered to complement ATC mid-field and main monitors while delivering exceptional dynamic range and low-distortion bass reproduction. Featuring a newly designed 375 mm low-frequency driver in a sealed cabinet and a powerful 300 W Class-A/B amplifier, the SCS120 Pro provides deep and accurate bass extension down to approximately 20 Hz. The subwoofer is designed for demanding professional environments, including large control rooms, surround monitoring systems and immersive audio installations such as Dolby Atmos. Sound Character The SCS120 Pro delivers tight, powerful and extremely accurate low-frequency reproduction. Its large 15-inch driver and sealed enclosure design provide excellent transient response and minimal distortion, ensuring that low-frequency information remains precise even at high monitoring levels. This makes the subwoofer ideal for critical mixing and mastering environments where reliable low-end translation is essential. Highlights ✔ professional 15" / 375 mm active studio subwoofer ✔ designed to integrate with ATC mid-field and main monitors ✔ powerful 300 W Class-A/B amplifier ✔ sealed-box enclosure for accurate bass control ✔ proprietary ATC SS75-375SC low-frequency driver ✔ analogue 4th-order Linkwitz-Riley crossover filters ✔ variable phase and polarity control ✔ balanced XLR inputs and outputs ✔ suitable for stereo, surround and immersive monitoring systems Typical Studio Applications ✔ extending midfield and main monitoring systems ✔ LFE monitoring in film and post-production studios ✔ Dolby Atmos and immersive audio environments ✔ mixing and mastering with extended low-frequency accuracy ✔ large control rooms and professional studios Technical Specifications ✔ speaker type: active studio subwoofer ✔ driver: 15" / 375 mm ATC SS75-375SC ✔ amplifier power: 300 W Class-A/B ✔ low-frequency extension: approx. 20 Hz (-6 dB) ✔ maximum SPL: approx. 119 dB @1 m ✔ enclosure: sealed cabinet ✔ inputs: 2× balanced XLR ✔ outputs: 2× XLR full-range outputs ✔ crossover options: multiple settings including 80 Hz ✔ dimensions: 630 × 498 × 568 mm ✔ weight: approx. 44.5 kg

ATC SCS70 Pro Subwoofer The ATC SCS70 Pro is a compact yet powerful 12-inch active studio subwoofer designed to extend the low-frequency performance of ATC’s professional monitoring systems. It delivers accurate, dynamic bass reproduction for demanding recording, mixing and post-production environments. At the heart of the system is ATC’s proprietary SS75-314SC 12-inch sub-bass driver, engineered specifically for precise reproduction of the lowest frequencies. Combined with a sealed cabinet design, it provides excellent transient accuracy and tight low-frequency control. The subwoofer is powered by a 300-watt Class-A/B MOSFET amplifier, delivering high output capability with extremely low distortion. This makes the SCS70 Pro ideal for stereo monitoring, surround sound systems and immersive audio environments such as Dolby Atmos. Sound Character The SCS70 Pro delivers tight, powerful and highly accurate low-frequency reproduction. Its proprietary driver design uses a long-gap motor structure to achieve high excursion with minimal distortion, while the sealed enclosure ensures excellent transient response and phase accuracy. The result is a clean and controlled low-end response that integrates seamlessly with professional studio monitors. Highlights ✔ professional 12" / 300 mm active studio subwoofer ✔ proprietary ATC SS75-314SC sub-bass driver ✔ 300 W Class-A/B MOSFET amplifier ✔ sealed cabinet design for precise bass reproduction ✔ analogue 4th-order Linkwitz-Riley low-pass filters ✔ selectable crossover frequencies (50 / 65 / 80 / 320 Hz) ✔ adjustable phase control (0–180°) and polarity switch ✔ balanced XLR inputs and outputs ✔ hand-built in England Typical Studio Applications ✔ extending nearfield and midfield monitoring systems ✔ LFE monitoring for film and post-production ✔ Dolby Atmos and immersive audio studios ✔ mixing and mastering with accurate low-frequency monitoring ✔ scalable multi-subwoofer installations Technical Specifications ✔ speaker type: active studio subwoofer ✔ driver: 12" / 300 mm ATC SS75-314SC ✔ amplifier power: 300 W Class-A/B ✔ frequency response: 22 Hz – 320 Hz (-6 dB) ✔ maximum SPL: 110 dB continuous / 116 dB peak @1 m ✔ low-pass filters: 50 / 65 / 80 / 320 Hz (4th-order) ✔ inputs: 2× balanced XLR ✔ outputs: 2× balanced XLR link outputs ✔ enclosure: sealed cabinet design ✔ weight: approx. 44 kg

ATC SCS140iW Pro Subwoofer The ATC SCS140iW Pro is a high-performance dual-12-inch active in-wall studio subwoofer designed for flush (soffit) installation in professional recording, mixing and post-production control rooms. It delivers extremely powerful and accurate low-frequency reproduction for large monitoring environments. The system features two proprietary ATC SS75-314SC 12-inch sub-bass drivers, designed and manufactured by ATC. These drivers are powered by a pair of external R1-300 Class-A/B MOSFET rack-mount amplifiers, providing high output capability and extremely low distortion. Its flush in-wall cabinet design allows seamless integration into studio front walls and is optimized to work with ATC main monitoring systems such as the SCM200AiW Pro. The SCS140iW Pro is therefore ideal for stereo, surround and immersive monitoring systems including Dolby Atmos. Sound Character The SCS140iW Pro delivers deep, controlled and highly dynamic low-frequency reproduction designed for high-resolution studio monitoring systems. Its large dual-driver configuration with ATC’s long-gap motor structure allows high excursion with minimal distortion, ensuring accurate reproduction of the lowest frequencies even at very high SPL levels. The result is a powerful yet extremely precise low-end foundation suitable for critical mixing, mastering and film production work. Highlights ✔ dual-12" active in-wall studio subwoofer ✔ 2× 12" / 314 mm ATC SS75-314SC sub drivers ✔ dual R1-300 Class-A/B MOSFET rack amplifiers ✔ designed for flush (soffit) installation in control rooms ✔ 4th-order Linkwitz-Riley low-pass filters ✔ selectable crossover frequencies: 50 / 65 / 80 / 320 Hz ✔ adjustable phase and gain controls ✔ balanced XLR inputs and link outputs ✔ ideal for stereo, surround and Dolby Atmos monitoring ✔ hand-built in England Typical Studio Applications ✔ main subwoofer for large recording studios ✔ Dolby Atmos and immersive audio monitoring ✔ film and post-production control rooms ✔ flush-mounted studio front-wall monitoring systems ✔ integration with ATC SCM main monitors Technical Specifications ✔ speaker type: dual-12" active in-wall studio subwoofer ✔ drivers: 2× 12" / 314 mm ATC SS75-314SC ✔ amplification: 2× R1-300 Class-A/B MOSFET rack amplifiers ✔ amplifier power: 300 W per channel ✔ low-frequency cutoff: approx. 22 Hz ✔ maximum SPL: 116 dB continuous / 121 dB peak @1 m ✔ low-pass filters: 50 / 65 / 80 / 320 Hz (4th-order) ✔ phase control: 0–180° ✔ inputs: 2× balanced XLR ✔ outputs: stereo link outputs ✔ dimensions: 685 × 728 × 454 mm ✔ weight: approx. 55.5 kg

ATC SCS240iW Pro Subwoofer The ATC SCS240iW Pro is a high-performance dual-15-inch in-wall studio subwoofer designed for flush (soffit) installation in large professional control rooms. It delivers extremely powerful and precise low-frequency reproduction for high-end monitoring systems and immersive audio environments. The system uses two ATC SS75-375SC 15-inch sub-bass drivers, designed and manufactured in-house by ATC. These drivers are powered by two external R1-300 Class-A/B MOSFET rack-mount amplifiers, providing high output capability and exceptionally low distortion. Its flush in-wall cabinet design is optimized to integrate with ATC’s large main monitors such as the SCM300AiW Pro, making it ideal for stereo, surround and Dolby Atmos monitoring systems in large control rooms. Sound Character The SCS240iW Pro delivers extremely deep, controlled and highly dynamic low-frequency reproduction designed for high-resolution studio monitoring systems. Its large ATC drivers use a long-gap motor structure that allows high excursion with minimal distortion, ensuring accurate reproduction of the lowest frequencies even at very high SPL levels. The result is a powerful yet extremely precise low-end foundation, ideal for critical mixing, mastering and film production work. Highlights ✔ dual-15" in-wall studio subwoofer for large installations ✔ 2× 15" / 375 mm ATC SS75-375SC sub drivers ✔ dual R1-300 Class-A/B MOSFET rack amplifiers ✔ designed for flush (soffit) mounting in control rooms ✔ selectable low-pass filters: 50 / 65 / 80 / 320 Hz ✔ adjustable phase, gain and level controls ✔ balanced XLR inputs and link outputs ✔ remote muting via footswitch ✔ ideal for stereo, surround and Dolby Atmos monitoring ✔ hand-built in England Typical Studio Applications ✔ main subwoofer for large recording studios ✔ Dolby Atmos and immersive audio control rooms ✔ film and post-production facilities ✔ flush-mounted front-wall monitoring systems ✔ integration with ATC SCM main monitors Technical Specifications ✔ speaker type: dual-15" active in-wall studio subwoofer ✔ drivers: 2× 15" / 375 mm ATC SS75-375SC ✔ amplification: 2× R1-300 Class-A/B MOSFET rack amplifiers ✔ amplifier power: 300 W per channel ✔ low-frequency cutoff: approx. 20 Hz ✔ maximum SPL: 119 dB continuous / 125 dB peak @1 m ✔ low-pass filters: 50 / 65 / 80 / 320 Hz ✔ phase control: 0–180° ✔ inputs: 2× balanced XLR ✔ outputs: stereo link outputs ✔ dimensions: 784 × 925 × 460 mm ✔ weight: approx. 69.7 kg

ATC SSM12i Pro The ATC SSM12i Pro is a compact passive 2-way studio installation monitor designed specifically for wall and ceiling mounting in professional control rooms. It is part of ATC’s Studio Surface Monitor (SSM) series and was developed to deliver accurate monitoring in space-constrained environments such as Dolby Atmos, surround and immersive audio studios. The system features a 150 mm CLD mid-bass driver and an ATC SH25-76 dual-suspension tweeter, both designed and manufactured in-house by ATC. Its ultra-shallow cabinet depth of just 147 mm allows discreet installation on walls or ceilings without occupying valuable studio space. A specially designed articulating mounting system allows the speaker to pivot away from the mounting surface and aim toward the listening position. This preserves frequency balance and ensures precise spatial imaging in immersive monitoring setups. Sound Character The SSM12i Pro delivers accurate, neutral and controlled sound reproduction optimized for installation-based monitoring. Its CLD mid-bass driver uses constrained-layer damping technology to reduce distortion and provide tight, controlled bass, while the dual-suspension tweeter delivers clear and detailed high-frequency reproduction. The sealed cabinet design ensures consistent low-frequency performance even when the speaker is mounted on walls or ceilings, making it ideal for surround and immersive monitoring environments. Highlights ✔ compact 2-way passive studio installation monitor ✔ designed for wall or ceiling mounting ✔ 150 mm CLD mid-bass driver with constrained-layer damping ✔ 25 mm SH25-76 dual-suspension tweeter ✔ ultra-shallow 147 mm cabinet depth ✔ articulating mounting system for optimal listening alignment ✔ sealed cabinet design for consistent bass performance ✔ reinforced steel cabinet with safety tether ✔ hand-built in England Typical Studio Applications ✔ Dolby Atmos and immersive audio monitoring ✔ surround monitoring in film and post-production studios ✔ ceiling or wall speakers in multi-channel systems ✔ broadcast studio installations ✔ space-efficient monitoring setups in professional control rooms Technical Specifications ✔ speaker type: 2-way passive studio installation monitor ✔ drivers: 150 mm / 6" CLD mid-bass driver (SB45-150CLD) 25 mm / 1" SH25-76 dual-suspension tweeter ✔ frequency response (-6 dB): 48 Hz – 22 kHz ✔ crossover frequency: 2.2 kHz ✔ sensitivity: 85 dB (1 W / 1 m) ✔ nominal impedance: 8 Ω ✔ recommended amplifier power: 75 W – 300 W ✔ maximum SPL: 108 dB continuous / 114 dB peak (per pair) ✔ enclosure: sealed cabinet design ✔ connectors: binding posts / 4 mm plugs ✔ dimensions: 517 × 315 × 147 mm ✔ weight: approx. 14.8 kg per speaker

ATC SSM25i Pro The ATC SSM25i Pro is a high-performance passive 3-way studio installation monitor designed specifically for wall or ceiling mounting in professional control rooms. It is part of ATC’s Studio Surface Monitor (SSM) series and is optimized for multichannel and immersive audio environments such as Dolby Atmos. The system features three proprietary ATC drivers: a 164 mm SB50-164SC low-frequency driver, a renowned 75 mm SM75-150 soft-dome midrange, and a 25 mm SH25-76S dual-suspension tweeter for accurate high-frequency reproduction. Its shallow cabinet design with only 198 mm depth allows discreet integration on walls or ceilings. A specially designed articulating mounting system allows the speaker to pivot away from the mounting surface and aim directly toward the listening position, preserving tonal balance and precise imaging. The SSM25i Pro’s sonic performance is derived from the renowned ATC SCM25A Pro MkII, offering the same level of transparency, accuracy and dynamic capability in an installation-optimized format. Sound Character The SSM25i Pro delivers accurate, transparent and dynamic sound reproduction optimized for installation-based monitoring environments. Its combination of ATC’s proprietary woofer, soft-dome midrange driver and dual-suspension tweeter provides balanced frequency response, highly detailed midrange reproduction and precise high-frequency clarity. The sealed cabinet design ensures consistent bass performance even when mounted on walls or ceilings. This makes it particularly suitable for precise spatial imaging in surround and immersive monitoring systems. Highlights ✔ 3-way passive studio installation monitor ✔ designed for wall or ceiling mounting ✔ 164 mm SB50-164SC bass driver ✔ 75 mm SM75-150 soft-dome midrange driver ✔ 25 mm SH25-76S dual-suspension tweeter ✔ articulating mounting hardware for optimal aiming ✔ ultra-shallow 198 mm cabinet depth ✔ sealed cabinet design for consistent low-frequency response ✔ optimized for Dolby Atmos and immersive audio monitoring ✔ hand-built in England Typical Studio Applications ✔ Dolby Atmos and immersive audio monitoring systems ✔ surround monitoring in film and post-production studios ✔ ceiling or wall speakers in multichannel setups ✔ broadcast studio installations ✔ space-efficient monitoring solutions in professional control rooms Technical Specifications ✔ speaker type: 3-way passive studio installation monitor ✔ drivers: 164 mm / 6.5" SB50-164SC woofer 75 mm / 3" SM75-150 soft-dome midrange 25 mm / 1" SH25-76S dual-suspension tweeter ✔ frequency response (-6 dB): approx. 40 Hz – 22 kHz ✔ crossover frequencies: 380 Hz / 3.5 kHz ✔ sensitivity: 85 dB (1 W / 1 m) ✔ nominal impedance: 8 Ω ✔ recommended amplifier power: 75 W – 300 W ✔ maximum SPL: 109 dB continuous / 115 dB peak (per pair) ✔ enclosure: sealed cabinet design ✔ connectors: binding posts / 4 mm plugs ✔ dimensions: 767 × 380 × 198 mm ✔ weight: approx. 28 kg per speaker