Item number: 10004930

Auna W2-AC400 4-Channel Car Amplifier with LED Lights 4000W

High performance 4-channel car amplifier with 4000W peak output, adjustable low-pass filter, black chassis with elegant acrylic lettering, blue LED lighting effect and silver trimming.

Fully bridgeable and capable of 1, 2 and 3 channel operation.

The Auna W2-AC400 is a powerful 4-channel car amplifier with advanced audio technology and a charismatic design.

The low-resonance chassis allows for a full sonic panorama, with deep and resonant bass, a solid midrange and clear treble sounds.

The Auna W2-AC400 can also be connected with external audio equipment like an active subwoofer, in order to take your car audio system's performance to an even higher level.

The 4-channel amplifier's peak output is a massive 4000W, without any reduction in the audio quality.

In visual terms, the device has a classic black body with elegant acrylic glass lettering and striped-silver trimming. The lettering is also illuminated by blue backlighting LEDs, lending the device a striking and unique appearance.

Product details


  • 4-channel car amplifier with 4000W max. output (equivalent to 360W RMS)
  • Stereo RCA line output allows connection with an active subwoofer etc.
  • Adjustable low-pass filter
  • Blue LED lighting effect
  • Fully bridgeable and capable of 1, 2 and 3 channel operation
  • Low-resonance chassis with acrylic lettering and silver trimming


  • 1 x Amplifier
  • 1 x Spare fuse
  • Mounting hardware
  • English manual


  • Size: 13.8 x 2.4 x 10.6" (35 x 6 x 27cm)
  • Weight: 2.2 kg


  • Connections: 2 x stereo RCA line inputs, 1 x stereo RCA line output, 4 x stereo speaker outputs (screw terminals)
  • Low pass filter control range: 50Hz to 250Hz
  • Adjustable gain
  • Crossover (full/LPF)
  • Compatible with a cable remote control
  • Safety fuse
  • Overheating and short circuit protection
  • Frequency response: 20 Hz to 20 kHz
  • Signal to noise ratio: >95dB
  • Impedance: 4 to 16 ohms
  • Low level input sensitivity: 0.1 ~ 1V @ 10k
  • Power supply: 11 - 16V

Operating instructions

What our customers think

of 1 Product Rating

of Daz reviewed on 20/08/2013

Bought this auna w2-ac400 car amplifier fairly recently and really impressed with it. It has 4000w power and looks really good I think. I’m very proud of it and show it off to my friends whenever they are in my car. Love the bass it adds to journeys. Auna hasn’t let me down with this.

[...] Read Review

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Auna W2-AC400 4-Channel Car Amplifier with LED Lights 4000W

  • 4-channel car amplifier
  • 4000W max. output (equivalent to 360W RMS)
  • Elegant acrylic glass lettering
£66.99 Incl. VAT
You can change your order at any time

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