Rockford Fosgate TM400X4ad Power Marine 400 Watt Class-ad 4-Channel Amplifier
- Our compact (1.6” x 4.3” x 8.3”) Power Marine TM400X4ad 4-channel amplifier produces more power per square inch than any other model we make with 400 Watts of POWER
- Proprietary Constant Power amps are the most powerful on the market, delivering up to 25% more power across all impedance loads (100 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged)
- Built on Rockford Fosgate’s proprietary Class-AD technology and Element Ready protecting against dust, UV, and corrosion, making it perfect for motorsport and marine applications
- High-level auto turn-on, CLEAN circuit input/output clip detection, On-board Punch EQ with +18dB boost @ 45Hz and 12dB/octave Butterworth crossover make TM400X4ad an impressive POWER house
- Class AD amp technology
- 4-ohm/2-ohm multi-impedance constant power
- conformal-coated circuit board — suitable for power sports and marine applications
- marine-grade stainless steel hardware
- twin cooling fans and real-time thermal sensing
- hidden top-mount control panel
- CLEAN set-up technology with LED input/output indicators
- speaker-level inputs
Specifications
- variable low- and high-pass filters (50-250 Hz at 12 dB/octave)
- tone controls: 0-18 dB at 45 Hz; 0-14 dB at 12,000 Hz
- frequency response: 20-20,000 Hz
- fuse rating: 60A x 1 (fuse not included)
- dimensions: 8-5/8″D x 1-11/16″H x 4-5/16″W
- requires 8-gauge power and ground cable
| Voltage | 12 Volts | Maximum Supply Voltage | 12 Volts |
|---|---|---|---|
| Mounting Type | Boat Mount | Number of Channels | 4 |
| Output Power | 400 Watts | Maximum Output Power | 400 watts |
| Item Dimensions | 13.4 x 6.5 x 11.3 inches | Material Type | Not Obtainable |
| Specification Met | Cea-2006 Compliant | Unit Count | 1.0 Count |
| Model | TM400X4ad | Brand Name | Rockford Fosgate |
| Item Weight | 1 Kilograms | Part Number | TM400X4AD |
Performance
| RMS Power Output (Watts x Channels) | 100 x 4 |
| Peak Power Output (Watts x Channels) | 128 x 1 |
| Power at 2 Ohms (Watts x Channels) | 100 x 2 |
| Power at 1 Ohm (Watts x Channels) | — |
| Bridged Power (Watts x Channels) | 200 x 1 |
| Minimum Impedance Bridged | 4 |
| Minimum Impedance Unbridged | 2 |
| Best Frequency Response | 20-20k Hz |
| THD at Rated RMS Power | 1% |
| Signal to Noise Ratio | N/A |
| Input Voltage | 14.4v |
Features
| Amplifier Class | A/D |
| Built-in DSP | No |
| Remote Control | No |
| Low-Pass Crossover Frequency | 50-250 Hz |
| Low-Pass Slope (dB/octave) | 12 dB/oct |
| High-Pass Crossover Frequency | 50-250 Hz |
| High-Pass Slope (dB/octave) | 12 dB/oct |
| Bass Boost | 0-18 dB |
| Bass Boost Frequency | 45 Hz |
| Fan Cooled | Yes |
| Fuse Rating | 60 |
| Speaker Level Inputs | Yes |
| Preamp Outputs | No |
| Width (inches) | 4-5/16 |
| Height (inches) | 1-11/16 |
| Depth (inches) | 8-5/8 |





















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