Rockford Fosgate Punch Marine PM400X4 400 Watt 4-Channel Class-AB Amplifier

Rockford Fosgate Punch Marine PM400X4 400 Watt 4-Channel Class-AB Amplifier with High Dynamic Power

The PM400X4 is a powerful 4-channel amplifier with a capacity of 400 Watts, designed for use in motorsport and marine environments. It uses Class-A/B technology and has a conformal coated pc board for durability.

Product Highlights:

• 4-Channel marine amplifier
• High-level input capable with Auto Turn-On circuit
• Class AB amp technology
• Conformal-coated circuit board — suitable for power sports and marine applications
• Marine-grade stainless steel hardware
• Features C.L.E.A.N. Set-up
• Frequency response: 20-20,000 Hz
• Built-in Punch EQ with +18dB boost @ 45Hz
• 12dB/octave Butterworth crossover
• Cast aluminum heatsink
• variable low-pass and high-pass filters
• Stealth top-mounted control panel
• Short circuit protection
• Over current protection
• Marine grade two-part epoxy coating on circuit boards
• Hidden top-mount control panel