Kicker KX400.1

The KX 400.1 Mono Amplifier is built for big bass in a small, powerful package.

Using Class D technology, this amp features an enormous 18dB of variable bass boost with KickEQ+™ lets you get as much as an 18dB of extra bump with a simple turn of the knob. A powerful 24dB DSP (digital signal processor) controlled crossover is included, letting you quickly tune your system to perfection.

This KX amplifier delivers as much as 400 watts into one channel. See below for more details.


RMS Power [Watts] @ 14.4V, 4Ω mono, ≤ 1% THD+N : 200 x 1 @ 14.4V, 2Ω mono, ≤ 1% THD+N : 400 x 1
Length [in, cm] 8, 20.4
Height [in, cm] 2-1/8, 5.5
Width [in, cm] 8-5/16, 21
Frequency Response ± 1dB 10Hz–160Hz
Signal-to-Noise Ratio >95dB, A-weighted, re: rated power
Input Sensitivity Low Level: 125mV–5V High Level: 250mV–10V
Electronic Crossover Variable Lo-pass 40Hz–160Hz, 24dB/octave
Bass Boost Parametric 20-80Hz; Variable Q: 1 to 5; Variable Boost, 0-18dB
Subsonic Filter Variable 10–80Hz, 24dB/octave
Remote Bass Yes [included]