80 watt Marine Amplifier

80 watts x 4 Marine Amplifier 250 watts RMS x 2 at 14.4 volts (160 watts RMS x 2 at 12.5 volts) at 4 ohms,switchable bass boost (0 or 6 dB at 48 Hz),variable high- and low-pass ...

80 watts x 2 Marine Amplifier 220 watts RMS x 1 bridged,preamp and optional speaker-level inputs,variable high- and low-pass filter (50-200 Hz, 12 dB/octave)