Rockford Fosgate Punch P400X4 400W Punch Series...

Rockford Fosgate Punch P400X4 4-channel car amplifier 50 watts RMS x 4 Big power for your spea...

Rockford Fosgate Punch P400X4 4-channel car amplifier 50 watts RMS x 4 Big power for your speakers or subwoofersRockford Fosgate's Punch P400X4 amplifier can put 50 watts RMS to each of your front and rear speakers, which is plenty of power for clean music even at high levels. You can use the amp's high-pass filter to remove low bass from your speakers, so they'll play more efficiently. You can also switch this amp into 2-channel mode to drive a couple of subwoofers with up to 200 watts RM...