PM400X4

The Rockford Fosgate PM400X4 is a premium Punch Marine Series 4-channel amplifier engineered specifically for marine, motorcycle, powersports, and off-road audio systems. Using high-output Class A/B amplifier technology, marine-grade construction, and conformal-coated circuitry, the PM400X4 is designed to deliver clean powerful sound in harsh outdoor environments while maintaining Rockford’s signature Punch Series sound quality. It’s one of the most respected compact marine 4-channel amplifiers for boats, Harleys, UTVs, and Jeep builds

Main Features

• 400-watt 4-channel marine amplifier
• Class A/B amplifier topology
• Marine-grade conformal-coated PCB
• Element Ready™ outdoor durability
• Differential balanced inputs
• High-level input capable
• Variable high-pass and low-pass crossovers
• Bridgeable channel pairs
• Cast aluminum heatsink
• Stainless steel hardware
• UV-resistant finish
• Marine/powersports vibration resistance
• C.L.E.A.N. setup compatible
• Compact chassis design

Specs