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Kicker KPX- Series Marine & Power Sports Narrow Range Amp 500-W 1-CH | 51KPX5001

SKU KI-51KPX5001
Save 20% Save 20%
Original price $399.99
Original price $399.99 - Original price $399.99
Original price $399.99
Current price $319.99
$319.99 - $319.99
Current price $319.99

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  • Extreme Conditions Performance: Engineered to withstand the harsh conditions of powersports and outdoor audio applications, delivering massive power while remaining highly efficient, perfect for systems with less robust charging setups.
  • Versatile Compatibility: Compatible with a wide range of KICKER products, including powersports speakers, full-range speakers, or classic aftermarket speakers, ensuring seamless integration into any audio system setup.
  • Compact and Weather-Resistant: Despite its small footprint and weather-resistant design, this amplifier packs a punch, offering reliable performance even in challenging environments.
  • Dynamic Power Output: With a dynamic power of 750W and RMS power output ranging from 150W @ 4-Ohm mono to 500W @ 1-Ohm mono, this amplifier delivers powerful and clear audio reproduction across various impedance levels.
  • Customizable Sound Control: Features a selectable electronic crossover (24dB/Octave, Variable Lo-Pass 40–160 Hz) and KickEQ Bass Boost (Selectable 0/+6dB Bass Boost @ 40Hz), allowing you to fine-tune your audio output to suit your preferences.

Kicker KPX- Series Marine & Power Sports Narrow Range Amp 500-W 1-CH | 51KPX5001

This Listing Includes:

  • (1) Kicker KPX 500watt Monoblock Amplifier.

The KPX-series amplifiers have been engineered to handle the extreme conditions of powersports and outdoor audio applications, provide massive amounts of power, and continue to be cutting-edge efficient, making them perfect for less robust charging systems. Use with any combination of KICKER products, whether powersports speakers, full-range speakers, or KICKER’s classic aftermarket speakers. And don’t let the small, weather-resistant footprint fool you; this amp came to play.

Technical Specifications:

  • Dynamic Power: 750W

  • RMS Power Output: @14.4V

  • 14.4V, 4-Ohm mono, < 1% THD+N: 150W X 1

  • 14.4V, 2-Ohm mono, < 1% THD+N: 300W x 1

  • 14.4V, 1-Ohm mono, < 1% THD+N: 500W x 1

  • Frequency Response [Hz]: 10Hz-160Hz

  • Selectable Electronic Crossover: 24dB/Octave, Variable Lo-Pass 40-160 Hz

  • KickEQ Bass Boost: Selectable 0/+6dB Bass Boost @ 40Hz

  • Subsonic Filter: 24dB/Octave, Variable Hi-Pass 10-40Hz

  • Remote Bass Control: Yes, CXARC (Not Included)

  • Signal-to-Noise Ratio [dB]: >90dB, a-weighted, re: rated power.

  • Signal-to-Noise Ratio [dB]: >75dB (ref: 1W output)

  • Input Sensitivity: Low Level: 125mV-5V || High Level: 1V–40V


  • Length: 8 1/2" = 21.7cm

  • Height: 1 1/16" = 4.3cm

  • Width: 3 5/8" = 9.2cm

Payment Information


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valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

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20% restocking fee.

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If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

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