KX 800W Monoblock Class D Subwoofer Amplifier

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£409.99 £341.66
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800W x 1 @ 1Ω – 14.4V
800W x 1 @ 2Ω – 14.4V
400W x 1 @ 4Ω – 14.4V

KICKER® KX amplifiers give you power and precision, with thousands of thunderous watts at your fingertips!

This KX 800-watt mono amplifier is incredibly powerful, and features FIT2™ (Fail-Safe Integration Technology) – giving you superior power, clarity and dependability with nearly any stock or aftermarket radio.


  • Class D Power Plant
  • One-Ohm Stable
  • SHOCwave™ Bass Restoration Processor
  • KXARC Wireless Remote Included
  • Gain Control With “Optimal Input” Indicator
  • Variable 24dB Subsonic Filter
  • FIT2™ (Fail-Safe Integration Technology) Circuitry
  • Variable 24dB Crossover
  • DSP-Controlled Preamp
  • KickEQ+™ 18dB Variable Bass Boost
  • Easy Access to Settings Behind Hinged Panel
  • Black Anodized Aluminium Chassis
  • Top-Mounted Red LED Light Pipe

This KX amplifier delivers as much as 800 watts into one channel.

More Information
RMS Power @ 14.4V400W x 1 @ 4Ω
800W x 1 @ 2Ω
800W x 1 @ 1Ω
Output Channels1
Voltage (V)12
One Ohm Stable
Fuse Rating (A)100A
Cable Gauge (AWG)4
Amp Turn-OnSignal Sensing
DC Offset
Frequency Response (Hz)10-160
Signal-to-Noise Ratio (dB)95
ControllerWireless KXARC (Included)
Input Channels2
Input TypeHigh Level
Low Level
Input Sensitivity Low Level125mV-5V
Input Sensitivity High Level250mV-10V
Height (cm)5.5
Width (cm)24.4
Depth (cm)21
BrandKicker Audio
Box Quantity4

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.