KXM Marine 400W 4 Channel Class D Full-Range Amplifier

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£400.00 £333.33
Next day delivery available
Free delivery on orders over £399

100W x 4 @ 2Ω – 14.4V
50W x 4 @ 4Ω – 14.4V
200W x 2 @ 4Ω – 14.4V (bridged)

KXM Amps are built for the outdoors. Power, speaker and input connections are gasket-sealed, as is the control cover hiding the settings, creating a water-resistant barrier to key controls.

The KXMA 400-watt four-channel amplifier is flexible enough to be a full system solution, or serve as the power for your mid and high-range speakers. KickEQ+™ delivers as much as an 18dB of extra bump with a simple turn of the knob, and powerful 24dB crossover is also included to letting you quickly tune your system to perfection.


  • Class D Power Plant
  • Gain Control With “Optimal Input” Indicator
  • FIT2™ (Fail-Safe Integration Technology) Circuitry
  • Variable 24dB Subsonic Filter
  • DSP-Controlled Preamp
  • KickEQ+™ 18dB Variable Bass Boost
  • ABYC/NMMA Compliant Power Terminals
  • Conformal-Coated Circuit Boards
  • Easy Access to Settings behind Gasket-Sealed Cover Panel
  • Black Anodized Aluminium Chassis
  • Top-Mounted Teal LED Light Pipe
  • Stainless Steel Mounting Hardware Included

This KXM amplifier delivers up to 100 watts per channel (4 channels driven), or 200 watts into two sets of bridged channels.

More Information
RMS Power @ 14.4V50W x 4 @ 4Ω, 100W x 4 @ 2Ω, 200W x 2 @ 4Ω Bridged
Output Channels4
Voltage (V)12
FeaturesKickEQ, SHOCwave, FIT2, One-Ohm Stable
Waterproof RatingASTM B1117 200 hr Salt Fog Test Compliant
FilterHigh-Pass, Band-Pass
Fuse Rating (A)100
Cable Gauge (AWG)4
Amp Turn-OnDC Offset, 12V, Audio
Frequency Response (Hz)10-20k
Signal-to-Noise Ratio (dB)95
Input Channels4
Input TypeHigh Level, Low Level
Input Sensitivity Low Level250mV
Input Sensitivity High Level10V
Height (cm)5.5
Width (cm)28.4
Depth (cm)21
BrandKicker Audio

All of our items are backed by our enjoyment guarantee, if you aren’t 100% happy with your purchase then we will accept it back for a refund or exchange.

If the item is faulty or different from advertised then the shipping is on us. However, if the item is no longer required or just ordered incorrectly then we can refund you for the item, but you will be charged for getting it back to us.

For a full explanation of the returns process please see our Returns Policy.