The Punch P600X4 is a 4-channel amplifier producing 150 Watts into all four channels at 2-Ohm. The P600X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels. The Punch P600X4 600 watt 4-channel amplifier (2.38” x 7.76” x 13.28") is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels Versatile multi-channel design can power just about any audio system configuration (RMS Power Output: 75 Watts x 4 @ 4-Ohm OR 150 Watts x 4 @ 2-Ohm OR 300 Watts x 2 @ 4-Ohm Bridged) RCA inputs can accept both Hi and Low level audio signals without the need of a signal converter Featuring Class A/B topology, RCA pass-thru outputs, on-board Punch EQ with +18dB boost @ 45Hz, variable 12 dB/Oct Butterworth crossovers, and C.L.E.A.N. Set-up Famous Rockford Fosgate build quality with a full 1-year warranty