Rockford Fosgate P500X4D500 Watt Class-D Full-Range 4-Channel Amplifier
The Punch P500X4D is an ultra-efficient 4-channel amplifier capable of producing 125 Watts into 2-Ohms without excessive drain on your charging system. The P500X4D amplifier can also be run in bridged/mono mode for use with subwoofers.
Highlights
- 1 Year Warranty
- Top mounted controls
- Top Mounted LED Indicators
- 12dB/octave Butterworth crossover
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 440 Watts RMS
- Rated Power (RMS Continuous Power)
- 75 Watts x 4 @ 4-Ohm 125 Watts x 4 @ 2-Ohm 220 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 360 Watts x 4 @ 4-Ohms 640 Watts x 4 @ 2-Ohms
- Bridgeable
- Yes
- Frequency Response
- 10Hz - 35kHz +/-3dB
- Circuit Topology Class
- Full-Range Class D
- Efficiency (average)
- 85% @ 4-Ohm 85% @ 2-Ohm
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 440 Watts RMS
- Rated Power (RMS Continuous Power)
- 75 Watts x 4 @ 4-Ohm 125 Watts x 4 @ 2-Ohm 220 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 360 Watts x 4 @ 4-Ohms 640 Watts x 4 @ 2-Ohms
Highlights
Overview- 1 Year Warranty
- Top mounted controls
- Top Mounted LED Indicators
Overview
Highlights
Key features
- 1 Year Warranty
- Top mounted controls
- Top Mounted LED Indicators
- 12dB/octave Butterworth crossover
- 2/4 channel input switch
- 4 Gauge power/ground connectors
- RCA pass-thru outputs
- Cast aluminum heatsink
- MOSFET output stage
- CTA-2006 Compliant
- Class-D
- Full-Range Class-D
More info
The P500X4D 500 Watt 4-channel full-range amplifier is a perfect edition to the famous Rockford Fosgate Punch amplifier line-up. Known world-wide for brute power, this Class-D design offers a higher level of efficiency along with a tri-stage protection that covers thermal, over-current and short circuits. On-board Punch Bass will also supplement low frequency "boom" to give your music more impact and presence than a live stadium concert.
Technologies

CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your

Class-D
High efficiency amplifier design that reduces current consumption from the charging system.

Full-Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces current
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance
Specs
Specifications
21
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 440 Watts RMS |
| Rated Power (RMS Continuous Power) | 75 Watts x 4 @ 4-Ohm 125 Watts x 4 @ 2-Ohm 220 Watts x 2 @ 4-Ohm Bridged |
| Dynamic Power (PVC/PowerCube®) | 360 Watts x 4 @ 4-Ohms 640 Watts x 4 @ 2-Ohms |
| Bridgeable | Yes |
| Frequency Response | 10Hz - 35kHz +/-3dB |
| Circuit Topology Class | Full-Range Class D |
| Efficiency (average) | 85% @ 4-Ohm 85% @ 2-Ohm |
| Signal Input | Input Switch: 2/4 channel input Hi/Low Level: 2 RCA Pair |
| Signal Output | Low Level: 1 RCA Pair |
| Tone Controls | Front: 0dB to +18dB @ 45Hz Rear: 0dB to +18dB @ 45Hz |
| Crossover Controls | Front: 50Hz - 500Hz Low-Pass/High-Pass/All-Pass @ 12dB/Octave Rear: 50Hz - 500Hz Low-Pass/High-Pass/All-Pass @ 12dB/Octave |
| Remote Controls | n/a |
| Visual Indicators | Power Thermal Protect |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Block |
| Speaker Wire Gauge | 12 AWG |
| Speaker Output Connector | Block |
| Cooling | Convection |
| Dimensions (H x W x D) | 2.2 x 8.1 x 10.7 (in) 5.6 x 22.6 x 27.2 (cm) |
| Shipping Weight | 9.475 Lbs. (4.29 Kg.) |
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Installation resources
Wiring diagrams
10
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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