Description
Rockford Fosgate Punch P400X4
The P400X4 is a 4-channel car amplifier from the Punch Series made to power full-range speaker setups or hybrid systems (front sound + subwoofers). It’s built in a Class‑A/B topology with punchy tone controls, crossover flexibility, and protection features, making it ideal for clean, loud sound in various car fitments.
Features
| Feature | Details |
|---|---|
| RMS Power Output | 50 W × 4 @ 4 Ω |
| 100 W × 4 @ 2 Ω | |
| 200 W × 2 (bridged) @ 4 Ω | |
| EQ | Punch EQ2: +18 dB Bass @ 45 Hz; +12 dB Treble @ ~12.5 kHz |
| Crossovers | 12 dB/oct Butterworth HP/LP (Front & Rear) |
| Adjustable 50–250 Hz | |
| Inputs | High-level & low-level inputs with Auto Turn-On |
| Protection | Short circuit & over-current protection |
| Indicators | Clip LED indicators |
| Build / Cooling | Cast aluminum heatsink |
Specifications
| Specification | Details |
|---|---|
| Model | P400X4 |
| Channels | 4 |
| RMS Power Output | 50W ×4 @ 4Ω; 100W ×4 @ 2Ω; 200W ×2 bridged @ 4Ω |
| Total RMS Power | 400 Watts |
| Dynamic Power (PowerCube®) | 82W ×4 @ 4Ω; 137W ×4 @ 2Ω; 266W ×2 bridged @ 4Ω |
| Frequency Response | 20Hz – 20kHz ±1.0 dB |
| Input Sensitivity | 150 mV – 12 V |
| Crossover Controls | Front & Rear HP/LP, 12 dB/octave, 50‑250Hz |
| Tone Controls | Bass boost +18 dB @ 45Hz; Treble +12 dB @ ~12.5 kHz |
| Bridgeable | Yes — rear channels can be bridged |
| Efficiency (Avg @ 4Ω) | ~67% |
| Distortion (THD + Noise) | <1.0% at 4Ω and 2Ω |
| Operating Voltage | 9 – 16 V DC |
| Cooling | Convection style with cast aluminum heatsink |
| Recommended Fuse | 60 A |
| Dimensions (H × W × D) | ≈ 2.38″ × 7.76″ × 11.03″ (≈ 6.05 × 19.71 × 28.02 cm) |
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