Rockford Fosgate PM500X1bd Punch 500-Watt Mono Marine Amplifier

The Rockford Fosgate PM500X1bd is a mono marine subwoofer amplifier with up to 500 watts RMS at 1 ohm. Its adjustable low-pass crossover and infrasonic filter help match output to the installed subwoofer system.

• RMS output at 4 ohms: 150 watts × 1
• RMS output at 2 ohms: 300 watts × 1
• Class-bd amplifier design
• RMS output at 1 ohm: 500 watts × 1
• Variable 50–250 Hz low-pass crossover
• 28 Hz infrasonic filter for the subwoofer output
• 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
• RCA pass-through outputs
• Optional PLC2 remote level controller sold separately