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  • Kicker KX400.1  Mono Block  Car Amplifier

Kicker KX400.1 Mono Block Car Amplifier

Product Code : KX4001

List Price: $359.00 On Sale: $288.85 (GST Included) (You save 19.54%)

Warranty Terms & Conditions


Product Info

Product Info

Kicker KX400.1  Mono Block  Car Amplifier

We Think YOU Should Know

  • 12 Month Australian Kicker Audio Warranty
  • Risk Free Purchase Guarantee (bottom of page)
  • Mono Block Class D
  • 400w x 1 RMS Power @ 2Ω
  • Variable low pass filter
  • Variable subsonic filter
  • Variable bass boost

KX-Series Amplifiers
KX-Series Amplifiers represent the brand workhorse, delivering the power and performance expected from 40 years of proven technologies and advanced components.  Five mono subwoofer amplifiers, a 4-channel model, a stereo model and a hybrid 5-channel model that includes full-range power and a 400-watt sub section – all supplying high-efficiency, Class-D power in the most compact chassis to date.

KX Mono Subwoofer Amps produce the most power from any single KICKER amplifier, 2,400 rated watts surging to raucous CompR™ or CompRT™ Subwoofers.  Without question, we know bass and bass power, and KICKER actual power always exceeds rated power.


  • Workhorse power and performance from proven technologies
  • Signature compact footprint for space-challenged installs
  • High-efficiency Class-D design in multi-channel and stereo amps
  • Class-D models with boost converter in mono amps provide 80-percent efficiency
  • Works best with KICKER CompR and CompRT Subwoofers, and RS and KS Speakers
  • All feature FIT™ (Fail-Safe Integration Technology) to accept output from virtually any source
  • FIT’s lab-grade, balanced differential inputs offer best possible noise rejection
  • Double-sided fiberglass circuit board
  • Built-in crossovers and adjustable KickEQ™ for dialing it in
  • DC offset or 12v remote auto turn-on modes
  • Angled custom-tooled power connectors
  • Looks great with magnetic panels covering controls and glass-fiber composite end panels


Peace of Mind Purchase & Declaration of Warranty
This product is supplied directly via Kicker Australia and enjoys the FULL benefits of the 'Kicker - 12 Month Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department to arrange service for this product or you also have the option of speaking with Kicker Audio Australia directly.

We are a FULLY AUTHORISED Australian retailer for Kicker Audio Australia.

This product will be shipped from our Sydney Warehouse and you are welcome to pick it up directly from our store in Sydney. This product is NOT DROP SHIPPED from overseas.

Tech Specs

Technical Specifications

KX-Series Class-D Monoblock Amps

Continuous RMS Power [watts/channel] @ 14.4V, 2-Ohm mono


Remote Bass Control (included)


- (all models 2-1/8 H x 8-5/16 W x ___ L) in. 8
- (all models 5.5H x 21.0W x ___ L) cm 20.4
Common to all Models

Frequency Response (Hz):

10-160, +0/-1dB

Input Sensitivity:

high level 250mV-10V,low level 125mV-5V

Signal-to-Noise Ratio:

>95dB, a-weighted, re: rated power

Active Crossover:

24dB/octave, variable 40-160Hz, low pass only;

Subsonic Filter:

24dB/octave high-pass variable 10-80Hz

Kick EQ+™ Boost:

variable to +18dB, centered 20-80Hz, variable Q 1-5
In The Box

What's Included?

  • Kicker KX400.1 Mono Block Car Amplifier

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