Kicker Audio KXA400.1 D-Class Mono Amplifier


KICKER® KX amplifiers are as diverse as they are powerful. Five mono amplifiers and four multichannel amps put the power at your fingertips.

This KX 400-watt mono amp is built for big bass in a small, powerful package. It includes 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. Test tones available here!
  • 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 Aluminum Chassis
  • Top-Mounted Red LED Light Pipe

    This KX amplifier delivers as much as 400 watts into one channel.


    RMS Power [Watts]
    @ 14.4V, 4Ω mono, ≤ 1% THD+N : 200 x 1
    @ 14.4V, 2Ω mono, ≤ 1% THD+N : 400 x 1
    @ 14.4V, 1Ω mono, ≤ 1% THD+N: TBD

    Length [in, cm]
    8, 20.4

    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 Lo-pass 40Hz–160Hz, 24dB/octave

    Subsonic Filter
    Variable 10–80Hz, 24dB/octave

    KickEQ+™ Parametric Bass Boost (Remote Control Adjustable)
    Boost - Variable 0-18db
    Center Frequency - 20Hz-80Hz
    Bandwidth 1-5

    Remote Bass

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

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

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    • Model: Kicker Audio KXA400.1 Mono Amp
    • 10 Units in Stock
    • Manufactured by: Kicker Audio

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

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