Kicker Compact 300 Watt / 4-Channel Waterproof Compact Full-Range Audio Amplifier for Motorcycles (KPX300.4)

Kicker 300 Watt / 4-Channel Waterproof Compact Motorcycle Audio Amplifier (KPX300.4)
The KICKER KPX300.4 is a compact, high-performance four-channel amplifier designed specifically for motorcycles and other space-conscious installations. Despite its small size, it delivers serious power and precision sound to your entire system. Whether running two or four speakers, this amp is built to maximize output while maintaining efficiency and reliability, even in harsh outdoor environments. With a weather-resistant housing and an ultra-compact footprint, the KPX300.4 tucks neatly under motorcycle fairings or inside tight installs without sacrificing performance. It produces up to 75 watts per channel at 2 ohms or can be bridged to 150 watts x 2 at 4 ohms for more demanding setups. Built-in 12dB crossovers with selectable high-pass filters (60Hz, 80Hz, 100Hz, or 120Hz) and independent gain adjustments provide fine-tuned control over your system. The wide input level compatibility ensures seamless integration with almost any factory or aftermarket head unit, making setup straightforward and hassle-free.

Specifications

• Power Output (2Ω Stereo): 75W x 4
• Power Output (4Ω Stereo): 45W x 4
• Power Output (4Ω Bridged Mono): 150W x 2
• Dynamic Power: 350W
• Frequency Response: 20Hz–20kHz (+0/-1dB)
• Crossover Options: 60Hz / 80Hz / 100Hz / 120Hz (High-Pass, 12dB/Octave)
• Dimensions (W x H x L): 3-5/16" x 1-11/16" x 8-1/2" (84mm x 42.7mm x 216.5mm)
• Weather-Resistant: Yes – designed for outdoor and motorcycle applications
• Warranty: 2 years