Precision Power i520.4B iON Series i520.4B 520-Watt-Max Bluetooth 4-Channel Class D Audio Amplifier for Audio Streaming

• 520 watts max power output; 100 watts RMS x 4 channels at 4-ohm stereo, 130 watts RMS x 4 channels at 2-ohm stereo, and 260 watts RMS x 2 channels at 4-ohm bridged; 2-ohm stereo stable;• Compact chassis for installation versatility; ideal for installs where there is no room for a head unit;• Built-in Bluetooth(R) v4.0 for streaming your own media and Internet radio with up to 30 ft. range; includes mini antenna and 36-in. extension for increased signal performance;• Hybrid aluminum alloy heatsink for heat dissipation;• Signal-sensing turn on (high-level input only);• Variable 12 dB low-pass and high-pass crossover;• 18 dB bass boost increases low-octave harmonics;• 250 mV to 6 volts high-level/low-level input capable;• Quick-disconnect RCA/high-level wire harness;• Direct 8-gauge power and speaker terminals;• Pass-thru output for optional daisy-chain configuration;• Direct short, thermal, and overload circuit protection;• Dimensions: 5.375 in. W x 1.875 in. H x 9.25 in. L;• Includes daisy chain cable, Bluetooth(R) extension, and manual;