Pyle 2.1 Bluetooth Marine Amplifier Receiver - Waterproof 4 Channel Wireless Bridgeable Audio Amp for Stereo Speaker with 400W Power Dual MOSFET Supply, GAIN Level & LED Indicator, Black - PLMRA410BT

4 CHANNEL BRIDGEABLE AMPLIFIER. Pyle’s PLMRA410BT is engineered as a 4 Channel bridgeable marine amplifier that powers up your speaker and is universally compatible. It has a bridge mode selection switch and high or low electronic crossover network

2.1 BLUETOOTH CONNECTIVITY. Built with 2.1 Bluetooth connectivity that has a wireless range of 25+ feet. Compatible with all Bluetooth devices like iPhone, Android, iPad and tablets. It even has a smart auto connect that remembers device pairing info

WATERPROOF & WEATHERPROOF. The audio amplifier is waterproof with its marine grade rating of IP 01. It’s constructed with silver plated stereo speaker output terminal connectors to combat weather corrosion with long term us

SHORT PROTECTION. Built with a heavy duty Aluminum Alloy heatsink, thermal overload speaker short protection and LED light indicator. These are to protect the amp and your vehicle's electrical system from short circuit conditions

POWERFUL 400 WATT. This amplifier receiver is powerful with its 400 WATT MAX and dual MOSFET power supply. Comes with dual adjustable input GAIN level controls between 4 to 8 Ohm speaker impedance