Rockford Fosgate TM400X4AD Power Marine 400W 4-Channel Class AD Amplifier

Rockford Fosgate TM400X4AD Marine 4-Channel Amplifier

The TM400X4AD is an ultra-compact, Element Ready 4-channel amplifier built for marine and powersports audio systems. Rockford Fosgate Class AD and Constant Power technologies deliver consistent full-range output at 4-ohm and 2-ohm loads, while conformal-coated circuit boards and protection against water, dust, and UV exposure support demanding outdoor installations.

Key Features

• 128 watts x 4 at 4 ohms
• 152 watts x 4 at 2 ohms
• 290 watts x 2 bridged at 4 ohms
• 20 Hz to 20 kHz frequency response
• Class AD topology with Constant Power technology
• Element Ready marine-grade construction
• High-level and low-level inputs with automatic turn-on
• C.L.E.A.N. input/output clip detection
• Top-mounted controls and built-in crossover
• Dual-fan cooling with real-time thermal monitoring
• 4-ohm bridged capable

What's Included

• TM400X4AD amplifier
• Power, speaker, and input connection hardware
• Installation documentation
• Individual performance certificate

Installation note: Amplifier wiring kit, fusing, signal cables, and mounting hardware required for the application may be sold separately. Confirm electrical-system capacity, speaker impedance, and installation location before purchase. Professional installation is recommended.