







KXA400.4 Amplifier
$329.95

KXA400.4 Amplifier
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:
- 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 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 Power |
50 x 4 @ 4 ohms, 14.4VDC, 1% THD, CEA-2006B (Watts) |
CEA Signal-to-Noise Ratio |
-75dB CEA-2006B (ref: 1W, A-weighted) |
Warranty |
When purchased from an Authorized KICKER Dealer or kicker.com, KICKER warrants this product to be free from defects in material and workmanship under normal use for a period of TWO (2) YEARS from date of original purchase. - Complete warranty information here. |
Support



Contact Support
Technical Support
(405) 624-8583
8am - 5pm CST
support@kicker.com
Warranty Support
(405) 624-8510
8am - 5pm CST
warranty@kicker.com