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Rockford Fosgate P500X4D

500W RMS 4-Channel Class D Punch Series High Efficiency Amplifier

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Class D with a Punch

The new 2011 Rockford Fosgate P500X4D 4-channel amplifier is the perfect solution when looking to amplify some speakers or even some entry level subwoofers at the bridged impedance. Low-level and high-level inputs will allow the installation of this amplifier into any car system, whether you have a factory installed system or aftermarket system, making it extremely versatile. The variable high and low-pass filters allow for complete tuning of your music to meet your desired specifications. The 3-way protection circuitry will protect your amplifier from thermal,overload, and speaker short malfunctions. Its CEA-2006 compliance gives you piece of mind by guaranteeing that you will receive the listed power rating each and every single time. So when searching for the proper 4-channel amplifier, the Rockford Fodgate P500X4D is the answer to your search.

  • Punch Series Class D Full Range 4-Channel Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 75 watts x 4 chan.
    • 2 ohms: 125 watts x 4 chan.
    • Bridged, 4 ohms: 220 watts x 2 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Punch EQ 2 variable bass boost (0 to +18 dB bass boost at 45 Hz)
  • Soft Start Turn-on
  • 4/3/2 channel operation
  • Speaker-level (high-level) inputs
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty cast aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Variable high-pass filter (50-500 Hz, 12 dB/octave)
  • Variable low-pass filter (50-500 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20,000 Hz
  • 60A in-line fuse is recommended
  • Dimensions: 10-3/4"L x 8"W x 2-1/4"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms75 watts x 4 channels
RMS Power @ 2 ohms125 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power250 watts x 2 channels
Peak Power OutputN/A
Amplifier Specifications
Amplifier ClassD
Number of Channels4
Total Peak Power OutputN/A
Total RMS Power Output500 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS PowerN/A
Speaker Level InputsYes
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency50 - 500 Hz
Low-Pass Crossover Frequency50 - 500 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio85 dB
Channel Separation50 dB
Bass Boost0 - 18 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse RatingIn-line 60A x 1 Recommended
CEA-2006 CompliantYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
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Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
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Bass Remote Control
Control the volume level of your bass and amplifier from the front of the vehicle.
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Universal Remote Level Bass ControlUniversal Remote Level Bass Control
Controls bass level and frequency via RCA/Interconnect connectors on any amp.		$14.99
Small Universal Remote Level Bass ControlSmall Universal Remote Level Bass Control
The Scosche RLC is a smaller universal bass remote that connects via RCA inputs.		$12.99
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
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12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install		$24.49
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12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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4 Meters (13 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted-Pair, Hyper-Flex Technology		$21.99
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19 ft. of 4-Channel X-Series RCA Cable with dual twisted-pair conductors, hyper-flex technology, and gold-plated k-cut collars for excellent signal transfer.		$44.99
StreetWires ZN9 Series Interconnect CableStreetWires ZN9 Series Interconnect Cable
16.4 ft. of 4-Channel RCA Cable with Rhodium-plated contacts and ZeroNoise construction for clear signal transfer!		$99.99
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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StreetWires FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing		$7.99
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Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs		$18.99
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Covers labor charges through our professional installer network.		$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components		$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.		$12.99
Main Product
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Rockford Fosgate P500X4DRockford Fosgate P500X4D$349.95

Product Summary

Manufacturer: Rockford Fosgate
Model number: P500X4D
UPC: 780687339869
Weight: 8.50 lbs
Internal SKU: p500x4d
Internal product ID: 34754

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$349.95

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