







Rockford Fosgate Punch P500X1bd
Punch Series 500W Mono subwoofer amplifier
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Unleash the full potential of your subwoofer with the Rockford Fosgate P500X1BD, a high-powered Class BD mono amplifier engineered for deep, impactful bass performance. Designed with efficient power delivery and advanced tuning controls, this amp provides exceptional clarity, strong output, and minimal distortion—perfect for audiophiles and bass enthusiasts looking to upgrade their car audio system.
Feature | Details |
---|---|
Amplifier Type | Class BD Mono Amplifier |
Power Output | 500W RMS @ 1 ohm, 300W RMS @ 2 ohms, 175W RMS @ 4 ohms |
Amplifier Technology | Class BD Amplification - combines the efficiency of Class D with the sound quality of Class B |
EQ & Bass Control | Punch EQ bass boost (+18dB), adjustable low-pass crossover, subsonic filter |
Cooling System | MEHSA3™ cooling (Maximum Efficiency Heat Sink Application) |
Materials | High-quality aluminum heat sink for efficient dissipation |
Size & Mounting | Compact design for flexible installation in tight spaces |
Compatibility | Works with subwoofers that require 1–4 ohm impedance |
What's in the Box
- Rockford Fosgate P500X1BD Mono Amplifier
- Power & Ground Terminal Screws
- Speaker Output Terminals
- Optional Remote Bass Level Control (Sold Separately)
- Mounting Brackets & Screws
- User Manual & Installation Guide
Frequently Asked Questions
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Q: What is the power output of the P500X1BD?
A: 500W RMS @ 1 ohm, 300W RMS @ 2 ohms, and 175W RMS @ 4 ohms. -
Q: Does this amplifier include a bass knob?
A: It’s compatible with the Rockford Fosgate Punch Level Control (PLC2), which is sold separately. -
Q: Can this amp run multiple subwoofers?
A: Yes, as long as the final load impedance stays within 1 to 4 ohms. -
Q: Does it have a built-in crossover?
A: Yes, it includes an adjustable low-pass crossover and subsonic filter for accurate bass control. -
Q: Will it overheat with extended use?
A: No, the MEHSA3™ cooling system and aluminum heat sink ensure efficient heat management, even under heavy use.

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.