• Rockford Fosgate PRIME R500-1
  • How to Install a Car Amplifier
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Rockford Fosgate PRIME R500-1

500W Max PRIME Series Monoblock Amplifier

  • 4.7

(105 reviews)

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The product on this page is discontinued, but there is a newer model available:
Newer Model: Rockford Fosgate R500X1D
Rockford Fosgate R500X1D thumbnail
$184.99 In Stock

Specials with this product

  • Free Ground Shipping to the 48 statesdetails

Why Shop Sonic?

Find the right amplifier for your subwoofers
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Customer Testimonial

What a great site. I tried to buy and have a new head unit installed from some of the local car audio shops and none of them could provide me with the unit that I wanted. Sonic not only had it, they also had the best price. Thanks for such a Great website with fast delivery.

- Jesse from Houston, TX

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  • PRIME Series Single-Channel Monoblock Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 320 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
  • MOSFET Power supply
  • Power and protection LED indicators
  • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)
  • Single-channel operation
  • 1 Pair of Preamp RCA outputs
  • Heavy duty extruded aluminum alloy heatsink for optimal heat dissipation
  • RCA level inputs
  • Screw terminals
  • Variable low-pass filter (40-130 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-250 Hz
  • Dimensions: 16-5/8"L x 7-5/8"W x 2-1/2"H
  • 8-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.
  • 1-year SonicElectronix.com warranty

Product History:

Rockford Fosgate R500X1D thumbnail
(newest, current model)
Rockford Fosgate R500-1D thumbnail
(previous model, replaced by Rockford Fosgate R500X1D)
Rockford Fosgate R500-1 thumbnail
(previous model, replaced by Rockford Fosgate R500-1D)
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms 320 watts x 1 channels
RMS Power @ 2 ohms 500 watts x 1 channels
Amplifier Specifications
Amplifier Class AB
Number of Channels 1 - Mono
Total RMS Power Output 500 watts
Maximum Input Gauge Size 8 AWG
Minimum Impedance Unbridged 2 ohms
Minimum Impedance Bridged Not Bridgeable
THD at Rated RMS Power 1%
Speaker Level Inputs No
Preamp Outputs 1 pair
Built-in Crossover Low-pass (LP)
Low-Pass Crossover Frequency 40 - 130 Hz
Signal-to-Noise Ratio 80 dB
Bass Boost 0 - 12 dB
Bass/Gain Remote Yes
Fan Cooled No
Fuse Rating 30A x 2 
CEA-2006 Compliant Yes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Sonic Electronix
Customer Review Summary for Rockford Fosgate PRIME R500-1
Average Customer Rating is 4.7 out of 5 stars:
  • 4.7
based on 105 Reviews
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Rating Distribution:
Average Attributes Rating:
Durability
  • 4.7
4.7
Value
  • 4.7
4.7
Features
  • 4.6
4.6
Design
  • 4.6
4.6
Usability
  • 4.7
4.7
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
July 5, 2010 Great amplifier, especially for the price
6 of 6 people found the following review helpful:
Review by
Eric from Grayling, MI
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
This amplifier is top-notch, I would buy it again in a second. It comes with a birth sheet, which shows that its underrated by 35 watts RMS. You get exactly what you pay for from RF: a quality, well-built amplifier that performs great. I would recommend this amp to anyone!
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July 26, 2010 The best brand out there
4 of 4 people found the following review helpful:
Review by
Mike from Sheridan,wy
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 3.0
Usability
  • 5.0
Rockford fosgate has never let me down. Every product I bought was rockford and it sounds amazing. The amp powers my p3 rockfords which makes them really thump.
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July 3, 2010 Impressive Amp for the price!!
4 of 4 people found the following review helpful:
Review by
Austin from Coeur d' Alene, ID
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I just put in this amp with a single 12" Kicker CRV. It pushes it very well and does not heat up at all. The base control nob is also a very great feature this amp has. Went to go pick up a new fuse at aspen sound and this amp ran for $250 there. Sonic Electronix has the best deals and will get some bump in your truck fast.
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June 24, 2009 Pleased
4 of 4 people found the following review helpful:
Review by
Mend from NY
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 5.0
Bought this from somewhere else but I hate making accounts just to review a product.



This things is pretty big but does the job. I've always been a fan of Rockford even though everyone talks about them not being what they used to be but after reading many reviews on their new lines, they seem to be making a comeback.



This amp is visually gorgeous with the dark brushed aluminum that matched my interior perfectly and was a little smaller than I thought based on reading the measurements.



I've had it for only a day but I've put it through some paces in the 2 hours I've used it and it works very well.



Very few reviews anywhere on the net post birth sheet/ certificat numbers and that bugs me, I feel its vital to the purchase. My amp cam with just a plain looking sheet and its has its actual watts for only a 2 ohm load which it doesnt even state, It just has the serial number, stamp and actual wattage of 553!



Nice choice of settings, quality feel and look, excellent sound out of new 10"W3v3-2. This amp is sort of over kill but I have the gain set to my headunits output voltage and it sounds great. My sub loves the power coming out of it, since I have it down, its getting very clean power, making it extremely accurate. I



had the gain full blast at point for about 20 mins and the amp felt what I would call "very warm". From my experience and knowledge of the brand, RF typically run warm/hot but it doesnt effect their performance. Running for 1 hours at medium volume with gain set to 5 (my head units output voltage) the amp barely felt luke warm, very nice.



Anyway I give this 2 thumbs up, I love rockford amps, I used their 4 gauge amp kit (the best you can get, worth the coin) with this so its getting optimal power flow, grounding and comes with twisted rca's. This obviously leads to stable voltages and quality signals which are KEY when dealing with electronics, car audio in particular.



Get this if you need 500 clean watts of power @ 2 ohms.
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January 24, 2011 Rockford fosgate 500
2 of 2 people found the following review helpful:
Review by
Tee Mat from lufkin, Texas
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
This amp is the absolute truth.. For what they are selling it for is a absolute steal and you get a top of the line amp that will push your subs or subs to it's max. I have it hooked to a 1200 watt Sony Xplode sub an it pushes that one sub to the max an I don't even have the amp turned all the way up an it the amp doesn't overheat with long periods of use just make sure to keep the trunk somewhat ventilated on those hot summer days when using for long trips to keep it from getting to hot an shutting off for a few seconds.
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View All 105 Reviews for Rockford Fosgate PRIME R500-1
Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
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4 Gauge Amplifier Installation Kit with RCA Interconnect Cable
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Kicker PKD4 Kicker PKD4
Dual Amplifier 4 Gauge Amp Installation Kit w/ Distribution Blocks
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StreetWires ZN1K-04 StreetWires ZN1K-04
4 Gauge (AWG) ZN1 Series Single Amplifier Installation Kit for Systems up to 1000 Watts
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Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
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NVX XWS1225 Speaker Wire NVX XWS1225 Speaker Wire
25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
$39.99
Kicker XW1220 Speaker Wire Kicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install
$39.95
StreetWires SCP1215BL - 12 AWG Speaker Wire StreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction
$24.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
  Product Price Add?
NVX XIV25 V-Series 2-Channel RCA Cable NVX XIV25 V-Series 2-Channel RCA Cable
16.4 ft of V-Series 2-Channel RCA Audio Premium Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology
$13.99
Kicker Z-Series RCA Interconnect Cables Kicker Z-Series RCA Interconnect Cables
16.5 ft. of 2-Channel Kicker Interconnects with twisted pair conductors, gold plated contacts, and hyper-flex technology for easy installation!
$22.95
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
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e2 ECAP1 by Scosche - Mid-Level 1 Farad e2 ECAP1 by Scosche - Mid-Level 1 Farad
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Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max
$99.95
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
  Product Price Add?
StreetWires FB4 StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing
$7.99
Kicker DB1448 (09DB1448) - Top of the Line! Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs
$29.95
Professional Installation for your Car Power Amplifier Professional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.
$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
  Product Price Add?
Scosche SPL Meter SPL1000F Scosche SPL Meter SPL1000F
Handheld boomSTICK measures your SPL range from 60 to 135 dB
$24.99
AutoSound 2000 CD-104 AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components
$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99

Product Summary

Manufacturer: Rockford Fosgate
Model number: R500-1
UPC: 780687328818
Weight: 10.00 lbs
Internal SKU: r5001
Internal product ID: 17368