Rockford Fosgate Power T500-1bdCP

500W RMS Constant Power Series Class BD Monoblock Amplifier

Only 3 Left!
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• RMS: 300W x 1 @ 4 ohms, 500W x 1 @ 2 ohms, 500W x 1 @ 1 ohm
• Dynamic Power Output: 690W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"H

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Rockford Fosgate Power T500-1bdCP

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Get 40% off an RFK4I install kit and receive an additional 1-year warranty on your Rockford Fosgate amplifier when purchased together. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

Rockford Fosgate Power T500-1bdCP

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Save 50% off the NVX XCAP1F 1.0 Farad Capacitor with the purchase of a select amplifier. Simply Click the "Add Both to Cart" button to the right. This offer cannot be combined with any other coupons or offers.

Rockford Fosgate Power T500-1bdCP

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Product Highlights

• RMS: 300W x 1 @ 4 ohms, 500W x 1 @ 2 ohms, 500W x 1 @ 1 ohm
• Dynamic Power Output: 690W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"H


Rockford Fosgate

Authorized dealer

General Features:
  • Constant Power Series Monoblock Class BD Car Amplifier
  • RMS Power Rating (14.4V):
    • 4 ohms: 300 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
    • 1 ohm: 500 watts x 1 chan.
  • Dynamic Power Output: 690 watts
  • Remote bass level input (Punch PEQ remote level control sold separately)
  • LED power (blue), protect (yellow) and thermal (red) indicators
  • Variable Bass Boost (0 to +18 dB bass boost at 45 Hz)
  • Gyrator based punch EQ eliminates frequency shift with boost
  • Mono channel operation
  • Audiophile grade speaker connections
  • Preamp Pass-Thru RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty cast aluminum convection heatsink with Direct Thermal Management evenly distributes heat across the entire heatsink for improved efficiency
  • Nickel-plated RCA level inputs
  • Nickel-plated clamp wire terminals
  • Input sensitivity:
    • Level: 150mV-5V
  • Variable low-pass filter (35-250 Hz, 24 dB/octave Butterworth)
  • Selectable Infrasonic filter (12 dB/Octave, -3dB at 28 Hz)
  • Damping factor: >200
  • CEA-2006 compliant amplifier
  • Frequency response: 20-250 Hz
  • Designed and Engineered in the U.S.A.
  • External 100A fuse required and sold separately
  • Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"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.
  • 2 Year Manufacturer's Warranty
Rockford Technology:
  • Class bd topology is more efficient then class AB and has lower distortion than class D designs
  • Constant Power technology instantaneously delivers maximum output power regardless of speakers varying impedance
  • Differential input circuitry measures both (+) and (-) input signals and subtracts the noise creating a clean signal
  • Discrete Surface Mount (DSM) components utilize 1% tight-tolerances improving efficiency, decreasing cross-talk and lowering operating temperatures
  • MEHSA3 (Maximum Efficiency Heat Sink Application) reduces MOSFET temperatures, lowers distortion, increases durability and prolongs output device lifespan
  • Custom TO-247 MOSFETs have 60% more metal tab area increasing power capacity, lowering impedance and improving heat dissipation

Product history:

Rockford Fosgate T500-1bdCP thumbnail
(newest, current model)
Rockford Fosgate T500-1bd thumbnail
(previous model, replaced by Rockford Fosgate Power T500-1bdCP)
Rockford Fosgate T5001bd thumbnail
(previous model, replaced by Rockford Fosgate Power T500-1bd)

Specifications & Details

Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
300 watts x 1 channel
RMS Power @ 2 ohms
500 watts x 1 channel
RMS Power @ 1 ohm
500 watts x 1 channel
Amplifier Specifications
Power Series
Marine Certified
Amplifier Class
Number of Channels
1 - Mono
Total Peak Power Output
690 watts
Total RMS Power Output
500 watts
Maximum Input Gauge Size
Minimum Impedance Unbridged
1 ohms
Minimum Impedance Bridged
Not Bridgeable
THD at Rated RMS Power
Speaker Level Inputs
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
35 - 250 Hz
Subsonic Filter
28 Hz
Signal-to-Noise Ratio
100 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fan Cooled
Fuse Rating
100A x 1 
Total Fuse Rating
CEA-2031 Compliant
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
Hi-Res Certified
What is in the box?
User manual
WITB: Amplifiers
Wired gain knob (wire attached)
Mounting screws (4)
Other Accessory #6
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Product and How-to Videos

  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews

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Good price

This is an incredible amp. I have only owned this amp for 6 months and it sounds great.

By Nick on March 15, 2011


found this helpful.

T 500-1bdCP

This amp is just amazing, you can run it for a long time and it just straight-up performs like a great amp suppose to. If you need a little
over 800 watts then you will for sure want to consider this amp.
I would suggest getting the PEQ remote, because it sure comes in
handy when you want to raise or lower your bass level.
My amp came in at 610 watts @ 2 ohms and 803 @ 1 ohm.

By Snake on November 12, 2014


found this helpful.


This little sized amp packs a punch. I have tried many amps and after working at an audio shop I give this guy 5 stars. This is the perfect match for a T1 10" subwoofer. I have this set up in my corvette along with components in the doors. Wow is all I can say! Take this apart and you will see the difference between cheaper amps. Mine pumps just over 800 watts rms at 1 ohm.

By Boss on November 8, 2014


found this helpful.

Very good amplifier

Overall, a very good powerful and clean amplifier, you cant go wrong with this amp, the power and clarity is there!! Buy it, you wont be disappointed.

Sonic Electronix is the place to shop, prices and service is excellent.

By Dave on February 27, 2012


found this helpful.

T 500 bd cp

I just wanted to let anyone know if you are thinking about buying this you are in for a real treat. I have mine pushing a pair of P3 12s in a Nissan Versa. This amp will beat your ride to pieces if its the amount of power you need. Runs very cool, not a hint of hot spots. I'm very pleased and I think you will be too. No regrets here.

By Southpaw on January 8, 2013


found this helpful.


Just absolutely flawless. I live in Canada, and I had this amp shipped to my house for under $400, which is damn good. Here in E-Town, this goes for $799.99. It is a very musical amplifier; it makes everything sound great, and paired with a T400-4, it's just amazing. I am running 4 Focal 130-CVX and a Focal SUB P 30. This is the best sound quality system I have ever had.

By RayRay on May 10, 2012


found this helpful.

im lovin it!

This is the best amp ive ever owned. i bought this for a p3d415 in a ported box and when i went to a sound competition i managed to hit louder than 4 12inch sony xplod subs and 2 1000 watt 2 channel amplifiers. Im a huge rockford fan definitly recommend for anyone looking for power in a small design

By Dominic on August 9, 2011


found this helpful.


This amp is amazing nothing better then Rockford Fosgate I have it got to 2 p3 10's and it pounds !!

By Derek on June 17, 2011


found this helpful.

great amp

I love this thing. My birth sheet put out 801 total RMS!!! I'm running it at a 2ohm load and it barely even gets warm. I have it running 2 10" Kenwood KFC-W2512 subs and it slams those subs. They are in a tuned box in my Titan so with those and this amp its plenty loud! You can never go wrong with Rockford Fosgate!

By matt on June 9, 2011


found this helpful.

Simply Awesome - Need I say more?

This product is simply awesome... Exactly what I would expect to come from Rockford Fosgate.

The one I got had a 2ohm tested power of 678 watts!!!!

By Scott on September 1, 2012


found this helpful.


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