Skar Audio LP-60.4ABv2 320 Watt Class AB 4-Channel Amplifier Class AB 4 Channel Amplifier 85 Watts x 4 Channels @ 2 Ohms | 60 Watts x 4 Channels @ 4 Ohms 160 Watts x 2 Channels @ 4 Ohms (Bridged) MOSFET Power Supply | Clipping Indicator Soft Turn On Circuit | 4 Way Circuit Protection