KPX300.4 Amplifier:
KPX Amplifiers are specially designed to deliver tremendous power in a tiny, weather-resistant footprint – without taxing your charging system. Including this handy 4-channel power piece.

Big System. Little Amp.

• Extremely compact footprint
• Provides power for two- or four-speaker systems
• Up to 300-plus watts of power
• Fits under motorcycle fairings
• Weather-resistant design
• Built-in crossover controls

The KPX300.4 Four-Channel Amplifier is built to power every speaker in your ride. Engineered specifically for motorcycles or space-compromised installs, this weather-resistant amp delivers huge power without getting in your way. Ensuring incredible sonic performance and long speaker life has never been easier with a variable 12dB crossover and independent gains. A wide range of input levels make this amp easy to hook up with virtually any factory or aftermarket radio.

This KPX300.4 Amplifier delivers as much as 75 watts per channel (4 channels driven), or 150 watts into two sets of bridged channels. 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