Kenwood Excelon XM302-4 4-Channel Class D Marine Amplifier

Highlights 4-channel powersports/marine amplifier 50 watts RMS x 4 at 4 ohms 75 watts RMS x 4 at 2 ohms 150 watts RMS x 2 bridged at 4 ohms Class D amp technology Variable high- and low-pass filters (50-200 Hz, 12 dB/octave) Variable bass boost on B channels (0-18 dB at 40 Hz) Features Conformal-coated circuit boards — suitable for powersports and marine applications Preamp and speaker-level inputs Wiring and hardware not included with amplifier 8-gauge power and ground leads recommended Fuse rating: 20A x 2 8-7/16"W x 2-1/8"H x 6"D Warranty: 2 years RMS Power Output (Watts x Channels) 50 x 4 Frequency Response at Rated RMS Power 20-20k Hz THD at Rated RMS Power 1% Signal to Noise Ratio 85 dB Input Voltage 14.4v Peak Power Output (Watts x Channels) 150 x 4 Power at 2 Ohms (Watts x Channels) 75 x 4 Bridged Power (Watts x Channels) 150 x 2 Minimum Impedance Bridged 4 Minimum Impedance Unbridged 2 Specifications Amplifier Class D Low-Pass Crossover Frequency 50-200 Hz Low-Pass Slope (dB/octave) 12 dB/octave High-Pass Crossover Frequency 50-200 Hz High-Pass Slope (dB/octave) 12 dB/octave Bass Boost 0-18 dB Bass Boost Frequency 40 Hz Fan Cooled No Fuse Rating 40 Speaker Level Inputs Yes Preamp Outputs No Height (inches) 2-1/8 Width (inches) 8-7/16 Depth (inches) 6 Parts Warranty 2 Years Labor Warranty 2 Years Measurements  Weight 3.09 (lbs) Width 7.9 (in.) Length 10.3 (in.) Height 3.6 (in.)