AP 4 Channel Compact Marine Amplifier with Bluetooth - AP200/4BTPOWER THE MOMENTWith this tough and ultracompact 4-channel amplifier featuring Bluetooth technology, you can enjoy every note from every part of your boat. Efficient Class-D DesignStream Audio with Bluetooth TechnologyIncludes Wired RemoteIgnition Protected and IP67-Rated (Excluding Cables)Compact BuildClass-D Amplifier TechnologyThe highly efficient Class-D design provides lower battery drain with a higher output than Class-AB amplifiers. This delivers increased power to the connected speakers/subwoofers for an enhanced level of audio performance. Stream On The GoThis amplifier pairs with your compatible smartphone for seamless audio streaming and includes a wired remote that can be flush-, surface-, or bar-mounted. Its compact size makes it a perfect addition to your small boat, jet ski, or overland vehicle. Rugged DesignThe included remote is IPX7-rated, and the amplifier is built to IP67 standards (excluding cables) to withstand abuse in harsh marine environments. SpecificationsGeneralChannels: 4Physical Height: 1.85"Physical Width: 7.28"Physical Depth: 4.9"Operating Voltage: 9-16 VDCWater and Dust Rating: IP67AudioAmplifier Class: Class DRMS Power @ 4 OHM: 40 W x 4/100 W x 2 (Bridged)RMS Power @ 2 OHM: 4 Channel: 50 W x 4Frequency Response: 20hz - 20kHzInput Sensitivity: Switchable from 200 mV-2 V RMS (Low) to 800 mV-8 V RMS (High)Input Impedance: 11 kO (High) 20 kO (Low)Current Consumption (idle): 700-750mAFuse Rating: 35ARecommended Fuse Types: AFS, AGU, or MaxiFuseMin. Copper Power/Ground Wire: 4 awg WireProtection Circuits: Input under/over voltage, Over temperature, Output short circuit | AP 4 Channel Compact Marine Amplifier w/ Bluetooth - AP200/4BT