• KXA400.4 three-quarter
  • KXA400.4 door open
  • KXA400.4 controls
  • KXA400.4 terminals
  • Angled view of KICKER KX amplifier with red accent lines, large side KX logo, and open control panel cover.
  • 44KXA4004 - 400.4
  • 44KXA4004 - 400.4
  • 44KXA4004 - 400.4
1 8

Kicker

Kicker Car Amplifier 44KXA4004

Kicker Car Amplifier 44KXA4004

$329.95 USD
$329.95 USD
Sale Sold out
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Mei from Wide Open Sound

Wide Open Sound · Curated gear

Kicker Car Amplifier 44KXA4004

WOS Pick What this amp does in 10 seconds — expand for full specs.

  • BrandKicker
  • SKU44KXA4004
  • Channels4
Mei says

"Match this amp to your speakers and sub. Wrong power or wiring = weak system — do it once, do it right."

The stuff you'll actually notice
  • 4-channel platform.
Product description

KICKER® KX amplifiers deliver unrivaled power and sonic quality.

KXA400.4 Amplifier

  • 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

This KX 400-watt four channel amplifier is built to easily power your door speakers or be a full system solution. FIT2™ (Fail-Safe Integration Technology) ensures your amp works with nearly any stock or aftermarket radio.

Features:

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

This KX amplifier delivers as much as 100 watts per channel (4 channels driven), or 200 watts into two sets of bridged channels. See below for more details.

Specifications

RMS Power [Watts] @ 14.4V, 4Ω stereo, ≤ 1% THD+N: 50 x 4 @ 14.4V, 2Ω stereo, ≤ 1% THD+N: 100 x 4 @ 14.4V, 4Ω bridged mono, ≤ 1% THD+N: 200 x 2
Length [in, cm] 11- 3 ⁄ 16 , 28.4
Height [in, cm] 2-⅛, 5.5
Width [in, cm] 8- 5 ⁄ 16 , 21
Frequency Response [Hz] 10Hz–20kHz
Input Sensitivity 250mV–10V
Signal-to-Noise Ratio 95dB
Selectable Electronic Crossover Amp 1: OFF/HP/LP; Variable 10–5,000Hz with X10 switch Amp 2: OFF/HP/LP/BP; Variable HP, 10–500Hz; Variable LP, 40–5,000Hz with 10X switch Slope: 24dB/octave
KickEQ™ Bass Boost 0-18dB @ 40Hz
CEA Signal-to-Noise Ratio -75dB CEA-2006B (ref: 1W, A-weighted)
Power breakdown
Inputs, filters & control
Build, wiring & install
Protection & performance
Full specifications
Amplifier
Amp Channels 4
Power ratings
Inputs & filters
Wiring
Weather / environment
Color / Finish Black
Support
Vehicle fitment
Model 44KXA4004
Support & warranty

Need help choosing or installing?

We build indestructible, IP-rated systems for marine, motorcycle, UTV, and automotive. If you want a matched setup, we’ll guide you to the right gear the first time.