The Pyle Elite Series 400-Watt 4-Channel Marine Amplifier provides waterproof power for all of your boat speaker needs. The marine-grade waterproof construction and high power efficiency ratings will provide you with performance and reliability rain or shine on this powerful 4-channel amp. This multi-channel amplifier is perfect for the back yard boat ATV or even poolside. This sea-worthy amp comes with premium RCA inputs for a quick and easy stereo receiver connection and if your marine receiver lacks RCA output jacks you can connect using the high-level terminal inputs Additional features of this waterproof amplifier include MOSFET power supplies built-in electronic circuitry protection heavy-duty aluminum heat sinks and more to keep your tunes blasting out on the water. Enjoy versatile waterproof performance and next-level sound amplification with the Pyle Elite Series Bluetooth Amps. You can t go wrong with the Pyle Elite Series 400-Watt 4-Channel Marine Amplifier for your maritime music needs.