KPX500.1 Amplifier:
The KPX500.1 Mono Amplifier is purpose-built for anyone who needs big power with a tiny footprint.

Plenty of Power

• Extremely compact footprint
• Dedicated subwoofer amplifier
• Up to 500-plus watts of power
• Fits under motorcycle fairings
• Weather-resistant design
• Built-in crossover controls
• CXARC remote bass control compatible

Make your bike bump without taxing your charging system. The KPX500.1 Subwoofer Amp features a 24dB/octave variable low pass crossover and 24dB/octave variable subsonic filter to protect your subwoofers and precisely craft your sound. A wide range of input levels lets this amp easily hook up to virtually any factory or aftermarket radio on the market. To control your bass on the go, connect the optional CXARC remote.

If you have two mono amps or powered subwoofers, check out the DBRC Remote for controlling both from the same knob.

This KPX500.1 Amplifier delivers as much as 500 watts into one channel. See below for details.

Model: 51KPX3004 (KPX300.4)
Power (Watts/Ch) 2 Ω Stereo: 75 × 4
Power (Watts/Ch) 4 Ω Stereo: 45 × 4
Bridged Mono Power 4 Ω: 150 × 2
Dynamic Power: 350 W
Frequency Response: 20 Hz – 20 kHz (+0/–1 dB)
Crossovers: Selectable high-pass: 60 / 80 / 100 / 120 Hz, 12 dB/octave
KickEQ™ Bass Boost: N/A
Dimensions (W × H × L): 3-5/16″ × 1-11/16″ × 8-½″ (84 × 42.7 × 216.5 mm)
Weather Resistance: Designed for compact power with all-weather chassis and connectors
Class: D
Channel Operation: 4 channels (can be bridged to 2)
Signal-to-Noise Ratio: ~95 dB
Compact Footprint: Specifically engineered for motorcycles, UTVs, and tight installations
Warranty: 2 Years when purchased via Authorized KICKER Dealer or kicker.com