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Rockford Fosgate PM500X1bdPunch Marine 500 Watt Class-bd Mono Amplifier
A 500-watt, Class‑BD mono amplifier engineered for high dynamic bass output in marine and motorsport environments with a conformal-coated PCB for added environmental resistance.
Highlights
- 2-Year Warranty
- Cast aluminum heatsink
- Marine grade stainless steel hardware
- Muted turn on
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 500 Watts
- Rated Power (RMS Continuous Power)
- 150 Watts x 1 @ 4-Ohm 300 Watts x 1 @ 2-Ohm 500 Watts x 1 @ 1-Ohm
- Dynamic Power (PVC/PowerCube®)
- 224 Watts x 1 @ 4-Ohm 410 Watts x 1 @ 2-Ohm 787 Watts x 1 @ 1-Ohm
- Bridgeable
- No
- Frequency Response
- 20Hz to 250Hz +/- 1.0dB
- Input Sensitivity
- 150 mV - 12 V
- Circuit Topology Class
- Class BD
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 500 Watts
- Rated Power (RMS Continuous Power)
- 150 Watts x 1 @ 4-Ohm 300 Watts x 1 @ 2-Ohm 500 Watts x 1 @ 1-Ohm
- Dynamic Power (PVC/PowerCube®)
- 224 Watts x 1 @ 4-Ohm 410 Watts x 1 @ 2-Ohm 787 Watts x 1 @ 1-Ohm
Highlights
Overview- 2-Year Warranty
- Cast aluminum heatsink
- Marine grade stainless steel hardware
Overview
A 500-watt, Class‑BD mono amplifier engineered for high dynamic bass output in marine and motorsport environments with a conformal-coated PCB for added environmental resistance.
Best for
- Drivers who need dedicated low-frequency power for subwoofers or mid-bass speakers
- Marine and motorsport installations where environmental protection is desired
- Systems requiring a compact, high-efficiency mono bass amplifier
Key points
- 500 Watt mono amplifier delivering high dynamic power
- Class‑BD topology for high efficiency and strong low-frequency performance
- Conformal‑coated PC board designed for marine and motorsport use
- Optimized specifically for mid-bass speakers or subwoofers (not full-range use)
- 1‑ohm capability supports multiple DVC subwoofer configurations
- Includes technologies such as C.L.E.A.N., Balanced Differential Inputs, DSM, MEHSA3; CE and CTA‑2006 compliance noted
Fit and use
Intended for low-frequency applications only—use with mid-bass speakers or subwoofers. The amplifier is 1‑ohm capable, which can support a pair of 4‑ohm DVC subwoofers or a quad configuration of 2‑ohm DVC subwoofers. Assess power, impedance, and enclosure compatibility with your speakers before integration.
What to know
This amplifier is optimized for bass duties; it is not designed to power full‑range speakers. Conformal coating on the PCB improves resistance to moisture and contaminants common in marine and motorsport environments. Product metadata lists CE Compliant and CTA‑2006 Compliant among its specifications. Follow recommend…
Highlights
Key features
- 2-Year Warranty
- Cast aluminum heatsink
- Marine grade stainless steel hardware
- Muted turn on
- Short circuit protection
- High level input capable with Auto Turn-On circuit
- Features C.L.E.A.N. Set-up
- Optional remote Punch Level Control (PLC2) ready (w/ input clip indicator)
- Stealth top mounted control panel
- On-board Punch EQ with +18dB boost @ 45Hz
- Over current protection
- 12dB/octave Butterworth crossover
More info
Manufacturer details
The PM500X1bd is a 500 Watt mono amplifier with high dynamic power using Class-bd technology and a conformal coated pc board designed for motorsport and marine applications.
Additional details
With its super efficient Class-bd circuit topology, the PM500X1bd will drop some serious BASS! Due to its dedicated low frequency response, this amplifier is optimized for mid-bass speakers or subwoofers only. No need to worry because its 1-ohm capability will drive a pair of 4-ohm DVC subwoofers or quad-configuration of 2-ohm DVC subwoofers with ease.
Technologies
Patent: 8,712,066
C.L.E.A.N. Technology
Time and sophisticated test equipment have been replaced, with Rockford’s integrated level setting technology
MEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life
Balanced Differential Inputs
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
Patent: 6,097,249 RE40,550
Class-BD
Rockford Fosgate bd topology is a revolutionary patented design (#6,097,249), integrating a technology that is
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
Showing the main technologies for this product.
Specs
Specifications
28
| Number of Channels | 1 |
| Total Power (Sum of Rated Power) | 500 Watts |
| Rated Power (RMS Continuous Power) | 150 Watts x 1 @ 4-Ohm 300 Watts x 1 @ 2-Ohm 500 Watts x 1 @ 1-Ohm |
| Dynamic Power (PVC/PowerCube®) | 224 Watts x 1 @ 4-Ohm 410 Watts x 1 @ 2-Ohm 787 Watts x 1 @ 1-Ohm |
| Bridgeable | No |
| Frequency Response | 20Hz to 250Hz +/- 1.0dB |
| Input Sensitivity | 150 mV - 12 V |
| Circuit Topology Class | Class BD |
| Efficiency (average) | 86% @ 4-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% 1-Ohm: <1.0% |
| Signal Input | Hi/Low level: 1 RCA pair |
| Signal Output | Low level: 1 RCA pair |
| Tone Controls | Punch EQ2 Bass: 0dB to +18dB @ 45Hz |
| Crossover Controls | Low-Pass (LP): 50-250Hz @ 12dB/octave Butterworth Infrasonic Filter (IF): 28Hz @ 12dB/Octave All-Pass (AP): No |
| Remote Controls | Optional Punch Level Control (PLC2) Ready |
| 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 | 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 (not included) | 80 A |
| Average Current Draw (13.8V Music) | 35 A |
| Max. Current Draw (13.8V Sinewave) | 70 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm) |
| Shipping Weight | 10.8 Lbs. (4.89 Kg.) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
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.
Popular Questions
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