Rockford Fosgate PM600X4 Punch 600-Watt 4-Channel Marine Amplifier

The Rockford Fosgate PM600X4 is a four-channel marine amplifier with stereo and bridged operating options. It provides separate front and rear amplification for speakers or a combined speaker-and-subwoofer configuration.

• RMS output at 4 ohms: 75 watts × 4
• RMS output at 2 ohms: 150 watts × 4
• Class-AB amplifier design
• Bridged RMS output: 300 watts × 2 at 4 ohms
• Selectable full-range, 50–250 Hz high-pass and 50–250 Hz low-pass filtering
• C.L.E.A.N. input/output clipping indicators for gain setup
• Punch EQ adjustment
• Marine-grade epoxy-coated circuit board
• Marine-grade stainless-steel hardware
• Cast-aluminum heatsink with short-circuit and over-current protection
• Two-channel or four-channel input selection
• RCA pass-through outputs
• Optional PLC2 remote level controller sold separately