Crunch PZ1800.4 Powerzone Car Amplifier SEPP (Single Ended Push Pull) A/B class amplifier designs All 2-channel and 4-channel feature bridgeable designs Carbon fiber effect body Chrome CRUNCH logo 4 x 225 @ 4 Ohms, 4 x 450 @ 2 Ohms, 2 x 900 WATTS @ 4 Ohms Bridged