Rockford Fosgate PM400X4

400W 4-Channel Punch Series Class AB Marine Amplifier

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• RMS: 50 watts x 4 chan. @ 4 ohms, 100 watts x 4 chan. @ 2 ohms, Bridged 200 watts x 2 chan. @ 4 ohms
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

Learn more about the pm400x4
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Product Highlights


• RMS: 50 watts x 4 chan. @ 4 ohms, 100 watts x 4 chan. @ 2 ohms, Bridged 200 watts x 2 chan. @ 4 ohms
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

Description


Rockford Fosgate

Authorized dealer

Rockford Fosgate PM400X4

Rockford Fosgate PM400X4 - 400 Watt 4-Channel Amplifier

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. Don't let the small footprint fool you (2.38" x 7.76" x 11.03"), the PM400X4 is packed with industry leading technology. Rockford Fosgate does not simply paint an amplifier white and call it "Marine Grade"; with corrosion resistant stainless steel hardware and two-part epoxy coated circuit boards, these units are designed with the most extreme elements in mind. Regardless if you're driving typical speakers or two subwoofers, the hefty output capability will deliver the right amount of PUNCH that you want wherever you take it!



UV Inhibitor Materials

Beat the Elements

Centrex and ASA plastic materials are used for their UV radiation resistance and components are tested in accordance with ASTM D4326 testing and certification procedures. Rockford Fosgate moto-marine amplifiers not only have the capabilities you expect a Rockford amp to have, but they have been designed to stand up to the environmental conditions you are likely to subject them to.


CLEAN (Calibrated Level Eliminates Audible Noise)

C.L.E.A.N. Set-Up

Take the headache out of tuning your amplifier. Rockford Fosgate's integrated level setting technology called CLEAN (Calibrated Level Eliminates Audible Noise), utilize simple LED indicators to identify both signal clipping from the audio source and the output level clipping to the speakers. This precise level set-up eliminates speaker damaging distortion.





General 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 Certificate
    w/ 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:
  • 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
  • 4 gauge OFC power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 7.76"W x 11.03"L x 2.38"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Rockford Fosgate PM400X4 Manual

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
50 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Power Specifications - Subwoofer Channel
RMS Power @ .5 ohm
Power Specifications - Subwoofer Channel
Peak Power @ .5 ohm
Amplifier Specifications
Series
Punch Series
Marine Certified
Yes
Amplifier Class
A/B
Number of Channels
4
Total RMS Power Output
400 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
Frequency Response
THD at Rated RMS Power
<1.0%
Speaker Level Inputs
Optional (Requires Accessory Adapter)
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Bass Boost
0 - 18 dB
Remote bass/level controller
No
Fan Cooled
No
Fuse Rating
60A X 1 In-Line Fuse Recommended
Total Fuse Rating
60
Strappable
No
CEA-2031 Compliant
Yes
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
High-Level Input Sensitivity
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Mounting screws (4)
Adhesive brand badge
Other Accessory #6
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

PM400X4

Weight:

10.80lbs

Internal SKU:

pm400x4

Internal Product ID:

94300

Product and How-to Videos


Customer Ratings & Reviews



5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5
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great amp

I put this amp in my golf cart and it has done wonders. It pushes the power that i need and more

By Jeremy on June 23, 2016

5

found this helpful.

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