Waterproof Bluetooth 4-Channel Class A/B Boat ATV Car Amplifier Media Stereo
Class-A/B Marine Bluetooth Amplifier (No head unit required) & 3 m Wired Remote with 3-color LED indicator (sources - USB/AUX/Bluetooth). Drive Max Power Output 180W into 4 Channels (suggests to work with 4 ohm 45W speaker).