Hydra Marine 400W 4-Channel Amplifier - Waterproof with Dual MOSFET Power Supply - GAIN level Controls - RCA Input - LED Indicator - Compact Design for Boat/Vehicle Audio - PLMRA402

PREMIUM 4 CHANNEL AMPLIFIER: The PLMRA400 is designed as a 4 Channel marine amplifier for superior stereo sound. It powers your speakers and is universally compatible with a variety of head units. RCA STEREO INPUT: For convenient use, this marine amplifier features premium RCA inputs. If your marine receiver does not have RCA output jacks, you can connect speaker output leads to the high-level terminal inputs. SHORT PROTECTION: Constructed with a heavy duty Aluminum Alloy heatsink, it includes thermal overload speaker short protection and an LED indicator to safeguard the amplifier and your vehicle's electrical system from short circuit conditions. POWERFUL 400 WATT: This robust amplifier provides 100 WATT x 4 max or 400 WATT total, with a dual MOFSET power supply. It contains dual adjustable input GAIN level controls between 1-300mV and supports 4 or 8 Ohm speaker impedance. MARINE GRADE: With a Marine rating of IP-01, it is waterproof ready. It is built with gold-plated speaker output terminal connectors to resist corrosion for extended use