Rockford-Fosgate PM400X4 Punch Marine Amplifier, 4-Ch, 400W

The PM400X4 marine grade full range delivers power and bass on demand

Perfect to drive a pair of coaxial speakers, component speakers, or a single subwoofer

Auto Turn-On circuit, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover

2.38″ x 7.76″ x 13.28″

Full 2-year warranty