Rockford Fosgate
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The PM400X4 is a 400 Watt 4-channel amplifier with high dynamic power using Class-A/B technology and a conformal coated pc board designed for motorsport and marine applications.
The PM400X4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM - you got "The PUNCH." With its flexible design, the PM400X4 is an excellent amplifier choice for virtually any vehicle.
| GENERAL | CTA-2006 Compliant | Yes |
| Number of Channels | 4 | |
| Total Power (Sum of Rated Power) | 400 Watts | |
| RATED POWER (RMS Continuous Power) | 4Ω | 50 Watts x 4 @ 4-Ohm |
| 2Ω | 100 Watts x 4 @ 2-Ohm | |
| 4Ω Bridged | 200 Watts x 2 @ 4-Ohm | |
| DYNAMIC POWER (PVC/PowerCube®) | 4Ω | 82 Watts x 4 @ 4-Ohm |
| 2Ω | 137 Watts x 4 @ 2-Ohm | |
| 4Ω Bridged | 266 Watts x 2 @ 4-Ohm | |
| BRIDGING | Bridgeable | Yes |
| AUDIO PERFORMANCE | Frequency Response | 20 Hz - 20 kHz +/- 1.0 dB |
| Input Sensitivity | 150 mV - 12 V | |
| Circuit Topology Class | Class A/B | |
| EFFICIENCY | Efficiency (average) | 67% @ 4-Ohm |
| DISTORTION & NOISE | Total Harmonic Distortion (THD+N) | 4Ω: <1.0% 2Ω: <1.0% |
| SIGNAL INPUT | Hi/Low level Input | 2 RCA pair |
| SIGNAL OUTPUT | Output | None |
| TONE CONTROLS | Front Punch EQ2 Bass/Treble | 0dB to +18dB @ 45Hz / 0dB to +12dB @ 12.5kHz |
| Rear Punch EQ2 Bass/Treble | 0dB to +18dB @ 45Hz / 0dB to +12dB @ 12.5kHz | |
| CROSSOVER CONTROLS | Front HP/LP | 50Hz - 250Hz @ 12dB/octave Butterworth |
| Rear HP/LP | 50Hz - 250Hz @ 12dB/octave Butterworth | |
| All-Pass | Yes | |
| REMOTE CONTROL | Remote Controls | None |
| VISUAL INDICATORS | Power/Protect/Thermal LED | Yes |
| Input Clip LED | 3 LEDs | |
| Output Clip LED | 1, 2, 3 LEDs | |
| LED Color Legend | 1 (Blue: <0.5% THD) 2 (Violet: 1% THD) 3 (Red: 10%+ THD) | |
| POWER & WIRING | Power Wire Gauge | 8 AWG to 4 AWG |
| Power Input Connector | Captive C-Clamp | |
| Speaker Wire Gauge | 8 AWG to 18 AWG | |
| Speaker Output Connector | Captive C-Clamp | |
| COOLING | Cooling Method | Convection & Heatsink |
| POWER REQUIREMENTS | Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (Not Included) | 60 A | |
| Average Current Draw (13.8V Music) | 30 A | |
| Max. Current Draw (13.8V Sinewave) | 60 A | |
| Suggested Alternator | 75 A | |
| DIMENSIONS & WEIGHT | Dimensions (H x W x D) | 2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm) |
| Shipping Weight | 10.8 Lbs. (4.89 Kg) | |
| INCLUDED IN THE BOX | Accessories | N/A |
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