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DISCONTINUED - Kicker CX300.4 300 Watt RMS 4-Channel Class D Car Amplifier

DISCONTINUED - Kicker CX300.4 300 Watt RMS 4-Channel Class D Car Amplifier

Kicker CX300.4 300 Watt RMS 4-Channel Class D Car Amplifier

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Overall Rating 5 (Based on 1 reviews)

Kicker CX300.4 Product Highlights

  • 4-channel 300 Watt RMS car amplifier
  • LED power (green) and protect (red) indicators
  • High-mass, super-cooling heat sink for effective heat dissipation
  • Frequency Response of 10Hz to 20,000Hz
  • Litz-wound transformers that minimize power loss and maximize transfer
  • Double-sided fiberglass circuit boards
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Kicker authorized dealer Unit includes: Car Amplifier, Mounting hardware, and Instruction manual


KICKER's CX-Series Amplifiers are full of advanced technoglogy. Under the high-mass, super-cooling heat sink, these amps feature double-sided fiberglass circuit boards, Litz-wound transformers that minimize power loss and maximize transfer, TO218 output devices for high-current switching, buffered RCA outputs, noise-shielding metal-end panels, and custom tooled power connectors.

Even More Compact

CX Amplifiers are no strangers to the KICKER tradition of compact size. Featuring an optimized circuit layout for the most efficient use of components and clearest sound quality, CX Amplifiers set the curve for smaller footprints with monoblock models measuring under 12-1/2 inches long.
    Kicker CX300.4 300 Watt RMS 4-Channel Class D Car Amplifier:

    • CX Series 300 Watt RMS 4-Channel Class D Car Amplifier
    • Preamp RCA outputs to connect multiple amps
    • MOSFET power supply for large power output
    • LED power (green) and protect (red) indicators
    • Selectable High Low or OFF electronic crossover (50-200 Hz, 12 dB/octave)
    • 3-way protection circuitry (thermal, overload, and speaker short protection)
    • Dual speaker terminals simplify the hookup of multiple speakers
    • Vertical mounting optional
    • Heavy duty aluminum alloy heat-sink
    • Nickel-plated screw terminals
    • 4/3/2 channel operation
    • CEA-2006 compliant amplifier
    • 4-gauge power and ground leads and a 150-amp fuse recommended
    • Frequency Response: 10Hz to 20,000Hz +/- 1.0dB

    Inputs and Outputs:
    • Single-channel operation
    • Nickel-plated RCA level inputs and outputs
    • Input Sensitivity Low level: 125mV-5V
    • Input Sensitivity High level: 250mV-10V

    Max Power Output:
    • Total Power Output: 600 Watts

    RMS Power Output:
    • 4-Ohms: 40 Watts x 4
    • 2-Ohms: 75 Watts x 4
    • Bridged, 4-Ohms: 75 Watts x 2

    Built in Crossover:
    • Low Pass: 50Hz - 200Hz @ 12dB/octave

    • Overall Dimensions: 2-3/8" (H) x 12-7/16" (D) x7-3/16" (W)

Technical Specifications

Manufacturer Kicker
Part Number CX300.4
Amplifier Topology Class Class D
Number of Channels 4 Channel
Total Peak Power Output 600 watts
Total RMS Power Output 300 watts
Amplifier Bridging Bridgable @ 4 ohms
Minimum Impedance in Bridged Mode 4 ohm
Minimum Impedance in Un-Bridged Mode 2 ohm
Strappable Amplifier No
Strappable Power Output No
RCA Pre-amp Audio inputs No
RCA Pre-amp Audio outputs 1 Pair
Preamp voltage 4 volts
Speaker level inputs Yes
Gain Control Yes
Bass Knob / Remote Gain Optional
Built in Crossover High-pass, Low-pass
Cooling Fan No
Color Black
Warranty 1 Year
Recommended Power Wire Gauge No
UPC Code 713034059813

Customer Reviews

Sounds very good
Review by
Install (5 star for easy)
Great sounding amplifier and has nice power. Very happy! (Posted on 1/12/2016)

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