P400X4
A classic model that condenses DTM, MEHSA3, and C.L.E.A.N. into a 4ch 50W×4 amplifier, supporting everything from strengthened front/rear to a 3-channel configuration.
【P400X4】Rockford Fosgate Punch Series Overview
A classic 4-channel (4/3/2-ch) power amplifier from the Punch series. It delivers 50W×4 (4Ω) and supports 200W×2 in bridged mode (4Ω). From upgrading the front/rear system to a 3-channel setup with the front plus a subwoofer, it enables flexible system building. It features the patented DTM technology that distributes heat evenly, MEHSA3 boasting 5× higher cooling efficiency than the previous design, and the “C.L.E.A.N.” technology with a clip indicator.
Key Features
- Easy-to-handle 4-channel (4/3/2-ch) design rated at 50W×4 (4Ω)
- Supports 200W×2 (4Ω) with bridged connection
- Patented “DTM” technology for evenly distributing heat
- FET mount technology “MEHSA3” with 5× improved cooling efficiency vs. conventional
- “C.L.E.A.N.” technology with a clip indicator
If you would like installation, please tell us your vehicle model and model year.
| RMS Power | 50W x 4 (4 ohm) / 100W x 4 (2 ohm) / 200W x 2 (4 ohm bridged) |
| Channels | 4ch (4/3/2ch) |
| Frequency Response | 20Hz-20kHz (+/-1.0dB) |
| S/N Ratio | 85dB |
| Crossover | High-pass/Low-pass 50Hz-250Hz (-12dB/oct) |
| Dimensions | 280 x 197 x 61mm (W x D x H) |
| Recommended Fuse | 60A |