Kenwood KAC-M5024BT Compact 4-Channel Digital Bluetooth Amplifier — Marine & Motorsport

Engineered for corrosive environments, this amplifier meets ASTM B117 salt spray (salt fog) testing to prevent corrosion or failure in saltwater and other severe conditions. It is IP67/IP66 certified — able to be submerged to 3.3 feet for 30 minutes and resistant to high-pressure, heavy water sprays. The Bluetooth® antenna is built into the remote control to provide a reliable wireless range and convenient placement. The unit supports up to 5 Bluetooth® devices connected at the same time so multiple users can take turns streaming. For higher-fidelity audio playback it is compatible with quality codecs including aptX and AAC.