Kicker Audio KXA400.2 D-Class Dual Channel Amplifier


This KX 400-watt stereo amplifier is built for big sound in a small, powerful package. A standard for every KX amp, KickEQ+™ provides an enormous 18dB of variable bass boost, while a powerful 24dB crossover gives you the control you need to tune your system to perfection.


  • Class D Power Plant
  • Gain Control With "Optimal Input" Indicator. Test tones available here!
  • 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 Aluminum Chassis
  • Top-Mounted Red LED Light Pipe

Want setup help? Go to KICKER U for a free woofer & amplifier configuration app!

This KX amplifier delivers as much as 200 watts per channel (stereo) or 400 watts into one channel (mono). See below for more details.


RMS Power [Watts]
@ 14.4V, 4Ω 11-3⁄16 , 28.4, ≤ 1% THD+N : 100 x 2
@ 14.4V, 2Ω 11-3⁄16 , 28.4, ≤ 1% THD+N : 200 x 2
@ 14.4V, 1Ω mono, ≤ 1% THD+N: 400 x 1

Length [in, cm]
9-9⁄16, 24.4

Height [in, cm]
2-⅛, 5.5

Width [in, cm]
8-5⁄16 , 21

Frequency Response ± 1dB

Signal-to-Noise Ratio [dB]

Input Sensitivity

Selectable Electronic Crossover
Variable HP, 10-500Hz
Variable LP, 40-500Hz; 400Hz–5,000Hz with 10X Switch (BP capable)
Slope: 24dB/octave

KickEQ Bass Boost
0-18dB @ 40Hz

CEA Power
100 x 2 @ 4 ohms, 14.4VDC, 1% THD, CEA-2006B (Watts)

CEA Signal-to-Noise Ratio
-75dB CEA-2006B (ref: 1W, A-weighted)

Add to Cart:

  • Model: Kicker Audio KXA400.2 Amp
  • Shipping Cost: 15.95lbs
  • 10 Units in Stock
  • Manufactured by: Kicker Audio

This product was added to our catalog on Thursday 14 June, 2018.

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