Rockford Fosgate R500X1DPrime 500 Watt Class-D Mono Amplifier
The Prime R500X1D is a 500 watt mono amplifier using efficient Class-D circuit topology. This amplifier is capable of running a 2-Ohm load and includes on-board Punch Bass and remote Punch Level Control. • This model replaced by the R2-500X1
Highlights
- 1 Year Warranty
- Short circuit protection
- Muted turn on
- Remote PLC (Punch Level Control)
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 500 Watts RMS
- Rated Power (RMS Continuous Power)
- 300 Watts x 1 @ 4-Ohms 500 Watts x 1 @ 2-Ohms
- Dynamic Power (PVC/PowerCube®)
- 333 Watts x 1 @ 4-Ohms 0° Res 647 Watts x 1 @ 2-Ohms 0° Res
- Bridgeable
- No
- Frequency Response
- 20Hz to 250Hz +/-1dB
- Input Sensitivity
- 150 mV to 4 V
- Circuit Topology Class
- Class D
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 500 Watts RMS
- Rated Power (RMS Continuous Power)
- 300 Watts x 1 @ 4-Ohms 500 Watts x 1 @ 2-Ohms
- Dynamic Power (PVC/PowerCube®)
- 333 Watts x 1 @ 4-Ohms 0° Res 647 Watts x 1 @ 2-Ohms 0° Res
Highlights
Overview- 1 Year Warranty
- Short circuit protection
- Muted turn on
Overview
Key features
- 1 Year Warranty
- Short circuit protection
- Muted turn on
- Remote PLC (Punch Level Control)
- Real time output and power supply thermal sensing
- Over current protection
- Cast aluminum heatsink
- On-board Punch EQ with +18dB boost @ 45Hz
- 0°/180° Phase Switch
- 12dB/octave Butterworth crossover
- MOSFET power supply
- 4 Gauge power/ground connectors
More info
Are you ready for a dedicated subwoofer amplifier for your car or truck? The Prime R500X1D is the perfect companion for any Car Audio Fanatic getting into mobile audio who wants a two-amplifier system: one amp running mids/highs and the second running subwoofers. This class D mono amplifier features variable Punch Bass, variable crossovers, Pass-Thru jacks to daisy chain another amplifier, and a remote Punch Level Control for mounting under the dash or the center console.
Looking for more options? Check out all of our car audio amps here.
Technologies

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

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

CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Specs
Specifications
| Number of Channels | 1 |
| Total Power (Sum of Rated Power) | 500 Watts RMS |
| Rated Power (RMS Continuous Power) | 300 Watts x 1 @ 4-Ohms 500 Watts x 1 @ 2-Ohms |
| Dynamic Power (PVC/PowerCube®) | 333 Watts x 1 @ 4-Ohms 0° Res 647 Watts x 1 @ 2-Ohms 0° Res |
| Bridgeable | No |
| Frequency Response | 20Hz to 250Hz +/-1dB |
| Input Sensitivity | 150 mV to 4 V |
| Circuit Topology Class | Class D |
| Efficiency (average) | 89% @ 4-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% |
| Signal Input | High Level: 4-pin molex Low Level: 1 RCA Pair |
| Signal Output | Low Level: 1 RCA Pair |
| Tone Controls | Punch Bass: 0dB to +12dB @ 45Hz Phase Control: Variable 0° to 180° |
| Crossover Controls | Low-Pass (LP): 50Hz to 250Hz @ 12dB/octave Butterworth |
| Remote Controls | Punch Level Control: When connected is linked to "gain control" to provide remote output level |
| Visual Indicators | PowerProtect |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Screw Terminal |
| Speaker Wire Gauge | 8 AWG |
| Speaker Output Connector | Screw Terminal |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 50 A |
| Average Current Draw (13.8V Music) | 25 A |
| Max. Current Draw (13.8V Sinewave) | 50 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 1.98 x 6.77 x 8.5 (in) 5.02 x 17.19 x 21.59 (cm) |
| Shipping Weight | 5.1 Lbs. (2.31 Kg.) |
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Installation resources
Wiring diagrams
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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