Kenwood Excelon XM302-4 4-Channel Powersports/Marine Amplifier Ready to outfit your Side-by-Side, Watercraft, Off-Road Vehicle, and more? The Kenwood eXcelon Motorsports XM302-4 is a Class D 4-Channel Marine-Grade Power Amplifier. The inclusion of a conformal coated circuit board, a protective terminal cover, and stainless-steel mounting screws ensure this amplifier is ready for the elements. Product 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) More info: 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 Dimensions: 8-7/16"W x 2-1/8"H x 6"D Warranty: 2 years Our 30-day money back gu