ATC Loudspeakers SCS70 Pro

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$4,990.00 Price Tier: High-end

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Page last updated Jul 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated May 29, 2026.

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5.0 (2)

$4,990.00

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$4,990.00

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Average Price: $4,990

High-end/Boutique

$599

$1500+

Price Tier

In the Studio Subwoofers category, ATC Loudspeakers SCS70 Pro is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 2 merchants for "ATC Loudspeakers SCS70 Pro". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Overview

The ATC SCS70 Pro is a 12”/300mm active subwoofer, designed to deliver the exceptional levels of performance required by audio and music professionals and integral to partnering with ATCs range of active monitors. It’s performance and features make it ideally suited to stereo, multi-channel surround and immersive audio formats such as Dolby Atmos.

Key Features

ATC hand-built high-excursion 12”/300mm SS75-314SC subwoofer driver.
Exceptional balance of high SPL capability, low cut-off and low distortion.
ATC discrete MOSFET class AB power amplifier.
Stereo balanced inputs & stereo ‘Link’ balanced outputs.
Level, Low-Pass Frequency & Phase user controls.
Remote muting via footswitch*.
Hand-built in England and covered by a 6 year warranty.

*Footswitch supplied separately, latching type, ¼”/6.35mm jack connection.

Acoustic Specifications

Drive Unit – Bass: 1 x SS75-314SC 8Ω.Ω
Low Frequency Cut-off: 22Hz (-6dB, half space, low pass filter @ 80Hz).
Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley).
MaxSPL: 110dB continuous, 116dB peak (IEC Weighted Pink Noise, @ 1m, half space, low pass filter @ 80Hz).
Sensitivity: +4dBu ref 88dBC (single input driven, @ 1m, Gain +6dB, Level 0dB, pink noise, low pass filter @ 80Hz).

Electronic Specifications

Amplifier type: Grounded Source MOSFET based Class A-B, convection cooled.
Output Power: 300W into 8Ω.
THD+N: <0.003%/-90dB, at 100Hz, 300W into 8Ω over 90kHz bandwidth.
Balanced Inputs: 2 x Rear Panel Mounted Female XLR, pin 2 hot.
Balanced Outputs: 2 x Rear Panel Mounted Male XLR, pin 2 hot.
Frequency Response: <2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter).
Gain Control: 0, +6dB, +10dB.
Level Control: 0dB -11dB in 1dB steps. Total range 21dB with use of Gain switch.
Phase Control: 0-180° ref. Input.
Polarity Control: In-phase/Out-of-phase ref. Input.
Power Consumption: Idle 8W/14VA. 1/8th Power 170W/230VA. Full Power 500W/600VA.
Additional: Mute via ¼”/ 6.35mm Jack socket, controlled via latching footswitch (supplied separately)

Physical Specifications

Dimensions: (H x W x D): 568 x 464 x 500mm / 22 5/16 x 18 1/4 x 19 11/16 inches (heatsink protrudes a further 40mm / 1 9/16 inches from rear).
Net Weight: 44kg / 97lbs.

Product specs

Powered	Yes
Speaker Size	12"
Driver Type	Handwound Voice Coil
Total Power	300W Class AB
Frequency Range	22Hz (-6dB) - 320Hz (-6dB)
Maximum Peak SPL	110dB SPL Continuous, 116 dB SPL @ 1m Peak
Input Types	2 x XLR
Output Types	2 x XLR
Other I/O	2 x 1/4" (footswitch, in/thru)
Features	Convection Cooled, 4 x Lowpass Filters, Adjustable Phase Control
Enclosure Type	Sealed
Enclosure Material	Reinforced MDF
Height	22"
Width	18.3"
Depth	21.3"
Weight	96.8 lbs.

FAQs

What is the frequency range of the ATC SCS70 Pro subwoofer?: The ATC SCS70 Pro subwoofer has a frequency range of 22Hz (-6dB) to 320Hz (-6dB), providing deep and accurate low-frequency reproduction for studio monitoring.
Does the ATC SCS70 Pro subwoofer have adjustable phase control?: Yes, the ATC SCS70 Pro features adjustable phase control, allowing users to optimize the subwoofer's integration with their existing studio monitor setup for improved audio accuracy.
What type of power amplifier does the ATC SCS70 Pro use?: The ATC SCS70 Pro is powered by a 300W Class AB amplifier, ensuring reliable performance and high-quality sound reproduction in professional studio environments.
Is the ATC SCS70 Pro subwoofer suitable for small studio spaces?: While the ATC SCS70 Pro is a high-performance subwoofer, its sealed enclosure and compact design make it adaptable for various studio sizes, including smaller spaces, provided the room is acoustically treated.
What are the input and output options on the ATC SCS70 Pro?: The ATC SCS70 Pro subwoofer offers 2 XLR inputs and 2 XLR outputs, providing versatile connectivity options for integration with different audio equipment in a studio setup.

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Funky Junk Italy

ATC Loudspeaker SCS70 Pro Subwoofer

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ATC Loudspeakers SCS70 Pro.

Features and functionality

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Continuous phase control on the Focal Sub One is favored for achieving clean crossover with ATC monitors, providing more precision than basic polarity flips.
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Concealed but effective room treatment techniques, like slatted panels with fiber insulation, contribute to audio quality without excessive visible treatment.
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Setup and maintenance

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For SBIR issues, repositioning speakers shifts frequency dips; adding a substantial absorber could mitigate these issues by addressing frequency interactions.
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Owner emphasizes the impact of bass traps, noting they significantly improved room acoustics more than other treatments.
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Mods and upgrades

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Using a subwoofer phase knob in conjunction with a sine wave at the crossover frequency aids in precise subwoofer alignment for optimal sound integration.
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User experience

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Owners find sub placement critical; experimenting with different spots and distances, combined with phase and latency adjustments, can enhance low-end performance.
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The ATC SCS70 Sub, paired with ATC SCM25A Mk II monitors, is preferred over NS-10Ms due to superior clarity and detail in audio reproduction.
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Use cases and applications

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High-passing ATC SCM45A monitors and crossing over a sub around 80-90 Hz is a practical approach for electronic music production to fill low-end gaps.
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The studio setup, including the ATC SCS70 Sub, is designed for mixing, not tracking, optimizing audio clarity for mixing tasks.
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Comparisons

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Kali Audio and Adams monitors are recommended as cost-effective alternatives to NS-10Ms, with a fuller audible range for mixing if budget is a concern.
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