PBR400X4D
A full-range Class-D 4-channel amplifier that delivers 50W×4 in an ultra-compact body—ideal for building a high-quality audio system in limited space.
【PBR400X4D】Rockford Fosgate Punch Series Overview
This is a super-compact full-range Class-D 4-channel power amplifier. A compact body measuring 171×108×38mm houses a rated output of 50W×4 (4Ω), with thermal management using patented technologies DTM and MEHSA3, and a “C.L.E.A.N.” technology. It also supports high-level inputs, making it suitable for add-on installation in kei cars, compact cars, and factory audio systems.
Key Features
- Full-range Class-D 4ch design in an ultra-compact chassis
- High-efficiency circuitry achieving an S/N ratio of 100dB
- Patented technology “DTM” that evenly disperses heat, and FET mounting technology “MEHSA3”
- Supports 200W×2 with 4Ω bridge connection
- High-level input support makes it easy to add to factory systems
※If you would like installation, please tell us the vehicle make/model and model year.
| RMS Power | 50W x 4 (4 ohm) / 100W x 4 (2 ohm) / 200W x 2 (4 ohm bridged) |
| Channels | 4ch |
| Amplifier Class | Full-range Class-D |
| Frequency Response | 20Hz-20kHz (+/-1dB) |
| S/N Ratio | 100dB |
| Crossover | High-pass 60/80Hz fixed / Low-pass 80Hz fixed |
| Dimensions | 171 x 108 x 38mm (W x D x H) |