Kenwood eXcelon XM502-1 Mono Subwoofer Powersports/Marine Amplifier 500 watts RMS x 1 at 2 ohms

mono subwoofer powersports/marine amplifier 300 watts RMS x 1 at 4 ohms 500 watts RMS x 1 at 2 ohms Class-D amplifier design variable low-pass filter (50-200 Hz at 24 dB/octave) bass boost (0-18 dB at 40 Hz) subsonic filter (25 Hz at 24 dB per octave)