ATC SCS70iW PRO
Best in-wall subwoofer for professional studio monitoring and immersive audio setups.
The ATC SCS70iW Pro is a high-performance 12-inch active subwoofer designed for seamless in-wall integration, perfect for soffit installations. It provides essential low-frequency extension for ATC in-wall monitors in stereo, multi-channel, or immersive audio systems. Engineered for professional monitoring, it delivers tight, controlled bass. While discontinued, this model exemplifies ATC's dedication to uncolored, high-fidelity sound reproduction, making it a benchmark for precise audio performance.
$4868.00
Owner Satisfaction
4.8
/ 5
Category Rank
20
/ 8447
#20 in Speakers
Price vs Category Average
+233%
Above average
Drive Unit
1753148
/ x SS-SC Ω
Who it's for
- Professional studio engineers needing reliable, high-output performance
- Critical listeners demanding precise, fast, and accurate bass
- Architects and designers prioritizing clean, flush-mounted aesthetics
Who should skip it
- Homeowners with walls unable to support heavy, reinforced equipment
- Budget-conscious buyers seeking entry-level audio solutions
- DIY enthusiasts lacking professional construction or integration experience
Performance breakdown
Low-frequency precision
Delivers exceptionally tight, uncolored bass essential for critical professional monitoring.
Integration capability
Engineered specifically for seamless, flush-mount soffit and in-wall installations.
Output headroom
Maintains clean, undistorted performance even at high continuous sound pressure levels.
Driver engineering
Proprietary ATC technology ensures world-class transient response and long-term reliability.
Immersive system compatibility
Perfectly complements multi-channel setups requiring precise, phase-coherent low-end extension.
Build integrity
Heavy-duty construction minimizes cabinet resonance for pure, accurate sound reproduction.
Key Specs
Drive Unit
1 x SS75-314SC 8Ω
Output Power
300W into 8Ω
Frequency Response
<2Hz (-3dB) – 320Hz (-6dB)
Max SPL
110dB continuous, 116dB peak
Low Frequency Cut-off
22Hz (-6dB, half space)
Dimensions (H x W x D)
568 x 464 x 450mm
Net Weight
32.5kg (71.5lbs)
Impedance
8Ω
Features
- Designed for discreet in-wall mounting
- Active subwoofer for powerful bass
- Delivers tight, controlled low frequencies
- Optimized for multi-channel audio
- Proprietary ATC driver technology
- High power output capability
- Precise, uncolored sound reproduction
- Flush mounting for seamless integration
What customers say
Professional audio engineers overwhelmingly praise the SCS70iW PRO for its clinical accuracy and superior transient response. Users consistently report deep, powerful bass that remains tight and fast, avoiding common boominess issues. The sealed enclosure design ensures predictable, phase coherent performance, allowing for straightforward integration with high-end monitoring systems, even in complex immersive setups. The integrated amplifier provides substantial headroom and precise control for demanding material. While acknowledged as a significant investment, professionals view this subwoofer as a necessary precision reference instrument. Its ability to reveal the absolute truth of a mix results in extremely high satisfaction among critical listening environments.
Know before you buy
This subwoofer is specifically engineered for discreet in-wall mounting. It is ideal for soffit installations where you want a flush, seamless look in a professional monitoring environment.
Yes, it is optimized for multi-channel and immersive systems. Its precise, uncolored bass response makes it an excellent choice for maintaining accuracy across complex speaker arrays.
The SCS70iW Pro utilizes proprietary ATC driver technology to deliver the same tight, controlled low frequencies found in their freestanding monitors. Because it is designed for flush mounting, it provides a cleaner aesthetic without sacrificing the high-fidelity output expected from ATC.
The subwoofer features a built-in amplifier capable of 300W into 8Ω. It is capable of reaching a peak SPL of 116dB, ensuring it has enough headroom for demanding professional audio applications.
The SCS70iW Pro offers a low-frequency cut-off of 22Hz (-6dB, half space). This provides the deep, accurate extension necessary for critical monitoring and full-range audio reproduction.
While it is a powerful 12-inch unit, its in-wall design is specifically intended to save floor space. However, given its weight of 32.5kg and high output, ensure your wall structure is reinforced to support the unit and prevent unwanted resonance.
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$4868