Best Seller | Crunch® Pz-1020.4 zone 1 000-watt 4-channel Class Ab Amp Looking for a car audio amplifier? The Crunch PZ-1020.4 ZONE 4 Channel Car Audio Amplifier features red heat s elements and high level inputs utilizing SPEED-FET output devices. QTD technology produces 1 000 watts of in a stereo or bridged mono... more | | $119.99 FREE shipping go to store |