Refurbished Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier

Refurbished Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier

The Rockford Fosgate PM400X4 is a powerful 400-watt 4-channel amplifier built for high-performance audio in motorsport and marine environments. It features advanced Class-A/B technology to deliver dynamic sound, along with a conformal-coated circuit board that ensures durability in harsh conditions. Designed to drive a full-range audio system with clarity and punch, the PM400X4 offers reliable performance whether you’re on the road or on water.

Product Highlights:

• Condition: Refurbished
• 400 Watts total power output
• 4-channel Class A/B amplifier
• Marine-grade conformal coated PCB
• C.L.E.A.N. setup system for optimized performance
• 50W x 4 @ 4Ω, 100W x 4 @ 2Ω, 200W x 2 bridged
• Dynamic power: up to 266W x 2 bridged
• High-level input with auto turn-on
• Built-in Punch EQ with +18dB bass boost
• 12dB/octave Butterworth crossover
• Cast aluminum heatsink for heat dissipation
• Short circuit and over-current protection
• Stealth top-mounted control panel
• Front/rear tone control with bass & treble boost
• Frequency response: 20Hz – 20kHz ±1.0dB
• Input sensitivity: 150mV – 12V
• All-pass crossover switch supported
• LED indicators: Power, Protect, Thermal, Clip
• Accepts 8 AWG to 4 AWG power wire
• Operates at 9–16 VDC with 60A recommended fuse
• Dimensions: 2.38" x 7.76" x 11.03"; 10.8 lbs shipping weight