Rockford Fosgate PM400X4 Punch Marine 400W 4-Channel Amplifier

The Rockford Fosgate PM400X4 Punch Marine is a 400W 4-channel amplifier with marine-grade epoxy coating and Element Ready protection — dependable speaker power for the water.

• 4-channel amplifier
• 50W x4 @ 4Ω / 100W x4 @ 2Ω
• Class A/B topology
• Marine-grade epoxy coating, stainless hardware
• Punch EQ (+18dB bass boost), Element Ready