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ATC SCS120 Pro – active studio subwoofer

ATC Audio is introducing a professional subwoofer based on the SCS70 Pro.


Photo: official website atc.audio

The subwoofer has a 15-inch driver and supports a wide range of audio formats, including stereo, multichannel surround and immersive formats such as Dolby Atmos. The new model has a built-in 300 W Class A/B amplifier, a footswitch mute function and daisy-chain support for multiple-subwoofer configurations. The SCS120 Pro extends bass response without complex electronic EQ or processing, instead combining an efficient driver design with a larger enclosure.


Photo: official website atc.audio

ATC SCS120 Pro specifications

  • Maximum SPL: 113 dB continuous, 119 dB peak;
  • Low-pass filters: 50 Hz / 65 Hz / 80 Hz / 320 Hz;
  • Amplifier power: 300 W;
  • Gain adjustment: 0 / +6 dB / +10 dB;
  • Frequency range: 20 Hz – 120 Hz;
  • Input impedance: about 20 kohms;
  • Output impedance: about 100 ohms;
  • Sensitivity: 85 dB;
  • THD+N: <0.003%
  • Dimensions: 63.8 × 49.8 × 56.8 cm
  • Weight: 44.5 kg.

Connections include two balanced XLR stereo line inputs and a pair of balanced full-range XLR outputs. The product has fourth-order Linkwitz-Riley low-pass filters with several crossover options, including the standard 80 Hz setting, and a bypass mode for external processing.


Photo: official website atc.audio

The ATC SCS120 Pro will be available for about $7800. A special in-wall SCS120iW Pro version will cost about $8600, including an external R1-300 Pro amplifier in a 7U format.