JVC KS-DR3004 drvn DR Series 4-channel car amplifier * 60 watts RMS x 4 - Breakers Stereo and Performance
Amazon.com: JVC KS-DR2104DBT Compact 4-Channel 600 Watt Car Amplifier with Bluetooth Streaming. Built for Marine, ATV and Powersport Applications. Waterproof, Dustproof, Rust Proof and Vibration Proof : Electronics