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Rockford-Fosgate Punch Marine PM300X2
Rockford-Fosgate Punch Marine PM500X2
Rockford-Fosgate Punch Marine PM400X4
Rockford Moto-marine Amp 4X50w 4-ohm
Features:
4-Channel Punch Series Class AB Marine Amplifier
RMS Power Rating:
4 ohms: 50 watts x 4 chan.
2 ohms: 100 watts x 4 chan.
Bridged 4 ohms: 200 watts x 2 chan.
Dynamic Power:
4 ohms 0° Res : 82 watts x 4 chan.
2 ohms 0° Res : 137 watts x 4 chan.
Bridged 4 ohms 0° Res: 266 watts x 2 chan.
Includes a Rockford Fosgate Performance Verification Certificatew/ Inspection Data & Actual Power Rating, (aka "Birth Sheet")
CEA-2006 compliant amplifier
CE Compliant
LED power (blue) and protect (red) indicators
Features C.L.E.A.N. Set-up with 10-step set-up procedure
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
Preamp RCA outputs to daisy chain multiple amps
Balanced Differential Inputs, to eliminate noise picked up by signal cables
Protected against Dust, UV, & Corrosion
Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.
Features MEHSA3 (Maximum Efficiency Heat Sink Application - gen3)
High level input capable with Auto Turn-On circuit:
Requires Rockford Fosgate RFIF2SW, sold separately
Input sensitivity: 150 mV - 12 V
Frequency Response: 20 - 20,000 Hz
Efficiency (average): 67% @ 4-Ohm
Total Harmonic Distortion (THD): <1.0%
Punch EQ Bass: 0 - +18dB boost @ 45Hz.
Punch EQ2 Treble: 0 - +12.5dB @ 12.5kHz
12dB/octave Butterworth crossover (selectable)
Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
Recommended Fuse Rating: 60A x 1 inline (not included)
Operating Voltage: 9 - 16 VDC
Max Current Draw: 60 A
Average Current Draw: 30 A
Power Wire Gauge: 4 AWG - 8 AWG
Speaker Wire Gauge: 8 AWG - 18 AWG
Dimensions: 7.76"W x 11.03"L x 2.38"
More Information
Model
PM400X4
Manufacturer
Rockford-Fosgate
Weight
10.800000
Amplifier Type
4-Channel
Total Power Output
400 Watts
Rated Power (RMS Continuous Power)
50 Watts x 4 @ 4-Ohm , 100 Watts x 4 @ 2-Ohm , 200 Watts x 2 @ 4-Ohm Bridged
Dynamic Power
82 Watts x 4 @ 4-Ohm , 137 Watts x 4 @ 2-Ohm , 266 Watts x 2 @ 4-Ohm Bridged
Bridgeable
Yes
Frequency Response (Hz)
20Hz to 20kHz +/- 1.0dB
Input Sensitivity High
150 mV - 12 V
Circuit Topology Class
Class A/B
Efficiency (average)
67% @ 4-Ohm
Total Harmonic Distortion (THD+Noise)
4Ω: <1.0%, 2Ω: <1.0%
Signal Input
Hi/Low level: 2 RCA pair
Tone Controls
Front 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
Visual Indicators
Power/Protect/Thermal LED Input Clip LED3, Output Clip LED1,2,3 LED Color Legend: 1BLUE: <0.5% THD, 2VIOLET: 1% THD, 3RED: 10%+ THD
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
Convection
Operating Voltage
9 - 16 VDC
Recommended Fuse
60 A
Average Current Draw
30 A
Max. Current Draw
60 A
Suggested Alternator
75 A
Crossover Controls
Front 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
Dimension - Length x Width x Height - Inches(mm)
2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm)
