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ATC C4 Subwoofer


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Found it cheaper? Click here. SKU: ATC4S
Ex VAT: £5,625.00

Great match for ATC's entry level range of stereo speakers and centre channel units including ATC SCM11, SCM19 or SCM40 coupled with C1 or C3 centre speaker.

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Available to buy in store or call to arrange demo on 0121 224 7300/7401

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Warranty length 6 Years
Brand ATC Speakers

Tech Specs

- Drivers: ATC 314mm (12")
- Cut-off (-3dB free stand): 18 & 250Hz
- Max Continuous SPL: 112dB SPL @ 1metre
- Input Connectors: 2 x Male XLR
- Input Sensitivity: 1V Balanced
- Input Impedance: > 10kOhms
- Common Mode Rejection: >90dB
- Total Harmonic Distortion: <0.01%
- Continuous Amp Out: 650 Watts RMS
- Dynamic Amp Out: 1000 Watts
- Overload Protection: Active FET
- Gain Control Range: ±6dB
- Contour Equaliser: 6dB lift @40–60Hz
- Filter Rates: 50/60/70/80/90Hz
- 2nd order: Low pass critically damped
- Power: 100, 115, 230V, 50/60Hz
- Dimensions (HWD): 581 x 530 x 530mm
- Overall Weight: 68kg (150lb)

Product Description

ATC’s C4 subwoofer features a hand-built 12” bass driver and 200W amplifier with active filters and momentary gain reduction overload protection.

Multichannel System

C4 subwoofer is part of the multichannel speaker system offering a smartly balanced and natural bass sound. ATC C4 lends to your setup a subwoofer with the weight and finest scale of any reproduction available.

Build & Finish

The subwoofer features a traditional style enclosure and real wood veneer and sturdy grille which can be easily integrated into any interior. The compact design is ideal for smaller installations. 


Designed to match ATC's entry level speakers to be used in a multichannel set-up, the ATC C4 is a great match with ATC SCM7ATC SCM11SCM19 or SCM40 for front Channels/rear surround and with C1C or C3C on the centre channel.


Supplied with full remote and fascia mounted control, the response may be calibrated for customised music and home theatre modes. Line and speaker level inputs are supplied together with a 12V trigger jack.

Key Features

- ATC 12" (314mm) bass driver
- Massive motor assembly
- In-house, hand-wound precision flat wire coils
- ATC 200W amplifier
- Active filters and overload protection

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