Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier

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. High level input capable with Auto Turn-On circuit Features C.L.E.A.N. Set-up 12dB/octave Butterworth crossover On-board Punch EQ with +18dB boost @ 45Hz Muted turn on Stealth top mounted control panel Cast aluminum heatsink Short circuit protection Over current protection Marine grade two part epoxy coating on circuit boards Marine grade stainless steel hardware. Recommended Fuse (not included)60 A CEA-2006 CompliantCEA-2006 Guidelines CEA-2006 Power Rating 50W x 4 @ 4Ω ≤1.0% THD+N Max. Current Draw (13.8V Sinewave)60 A Average Current Draw (13.8V Music)30 A Total Harmonic Distortion (THD+Noise)4-Ohm: <1.0% 2-Ohm: <1.0% Efficiency (average)67% @ 4-Ohm Dynamic Power (PVC/PowerCube®)82 Watts x 4 @ 4-Ohm 137 Watts x 4 @ 2-Ohm 266 Watts x 2 @ 4-Ohm Bridged Shipping Weight10.8 Lbs. (4.89 Kg.) Crossover ControlsFront High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth Rear High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth All-Pass: Yes Operating Voltage9 - 16 VDC Suggested Alternator75 A Input Sensitivity150 mV - 12 V Number of Channels4 Rated Power (RMS Continuous Power)50 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged Total Power (Sum of Rated Power)400 Watts BridgeableYes Tone ControlsFront Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Front Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Rear Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz Function depends upon LP/AP/HP switch position Signal InputHi/Low level: 2 RCA pair Signal Output- Power Input ConnectorCaptive C-Clamp Power Wire Gauge8 AWG to 4 AWG Speaker Output ConnectorCaptive C-Clamp Speaker Wire Gauge8 AWG to 18 AWG Heat Sink TypeCast aluminum CoolingConvection Remote Controls- Visual IndicatorsPower/Protect/Thermal LED Input Clip LED3 Output Clip LED1,2,3 LED Color Legend: 1BLUE: <0.5% THD 2VIOLET: 1% THD 3RED: 10%+ THD Circuit Topology ClassClass A/B Frequency Response20Hz to 20kHz +/- 1.0dB Dimensions (H x W x D)2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm)