Crunch P1-600.2 150 x 2 @ 4 Ohms, 300 x 2 @ 2 Ohms - 600 WATTS x 1 @ 4 Ohms Two-Channel Powerone Amplifiers 2 x 150 W @ 4 Ohms, 2 x 300 W @ 2 Ohms, 1 x 600 W @ 4 Ohms Maxx Power Preamp level RCA inputs, high level inputs and daisy-chain line outputs Mono/stereo switch High-pass/low-pass/full-pass frequency selections Diagnostic LED power protection system warns and detects