Rockford Fosgate Prime R500-1

Mono subwoofer amplifier — 500 watts RMS at 2 ohms

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Item# 575R5001

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Overview
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Customer Reviews
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My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Our take on the Rockford Fosgate Prime R500-1

by Buck Pomerantz

Now you can get Rockford Fosgate performance at value prices. Prime Series amplifiers bring out your music's subtle details as they drive your speakers with the clean power you need to overcome road noise and fill your car with sound.

Rockford Fosgate designed Prime amps to deliver Power Output Without Excessive Regulation (POWER), which means they'll respond quickly to the peak demands that you may throw at your system. Your driver's seat will become your favorite place for listening when you add the clarity and impact of a Rockford Fosgate amp.

The R500-1 mono amp powers your subwoofers with up to 500 watts RMS so you will feel the bass. A low-pass filter and Rockford Fosgate's famous Punch bass boost lets you adjust your bass for your enclosure and vehicle. A phase switch gets your subs to work together with the rest of your car's audio system for maximum impact. A wired remote lets you control the amp's volume level from the front seat.

See more info on this item

Highlights:

mono subwoofer amplifier
320 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)
CEA-2006 compliant
variable low-pass filter filter (40-130 Hz, 12 dB/octave)
variable bass boost (0-12 dB at 45 Hz)
wired remote Punch Level Control included
Class-AB amplifier design
frequency response: 20-200 Hz
MOSFET power and output stages
preamp-level inputs and outputs
8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
fuse rating: 30A x 2
7-11/16"W x 2-1/2"H x 17-1/4"D
warranty: 1 year
Our 60-day money-back guarantee

Shop all Rockford Fosgate Car Amplifiers

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and specs chart | What’s in the box? | In-depth notes

Features and Specs

Performance
RMS Power Output (Watts x Channels) Loading...	320 x 1
Peak Power Output (Watts x Channels) Loading...	N/A
Power at 2 Ohms (Watts x Channels) Loading...	500 x 1
Bridged Power (Watts x Channels) Loading...	N/A
Minimum Impedance Bridged Loading...	N/A
Minimum Impedance Unbridged Loading...	2
Best Frequency Response Loading...	20-130Hz Hz
THD at Rated RMS Power Loading...	1%
Signal to Noise Ratio Loading...	85 dB
Input Voltage Loading...	14v
Features
Amplifier Class Loading...	AB
Low-Pass Crossover Frequency Loading...	40-130Hz
Low-Pass Slope (dB/octave) Loading...	12dB/oct Butterworth
High-Pass Crossover Frequency Loading...	N/A
High-Pass Slope (dB/octave) Loading...	N/A
Bass Boost Loading...	0-12dB
Bass Boost Frequency Loading...	45 Hz
Fan Cooled Loading...	No
Fuse Rating Loading...	60
Speaker Level Inputs Loading...	No
Preamp Outputs Loading...	1 pair
Width (inches) Loading...	17-1/4
Height (inches) Loading...	2-1/2
Depth (inches) Loading...	7-11/16
Parts Warranty Loading...	1 Year
Labor Warranty Loading...	1 Year

Product Research

What's in the box?

Download owner's manual

Mono-channel subwoofer amplifier with two 30-amp fuses installed in chassis
2 Additional 30-amp fuses
Punch Level Control module
16.5' Punch Level Control cable terminated by a male 3.5mm connector on each end
Mounting bracket
2 Small mounting screws
4 Large mounting screws
4 Flat washers
Installation/Operation Manual (Eng/Spa/Fre)
Amplifier Verification Certificate

Our Product Research Team

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Features
Controls
Connections

Features

Overview: The Rockford Fosgate R500-1 Prime 500 watt mono-channel amplifier is designed to power one or two subwoofers. The R500-1 is designed with specific features to power your subwoofers with a frequency range between 20-130 Hz. This amplifier is not designed to power a full-range speaker.

CEA 2006 Compliant: The Rockford Fosgate R500-1 Prime's power ratings are measured according to the strict standards dictated by the Consumer Electronics Association (CEA). These standards allow you to accurately compare the rated power output of all CEA 2006-compliant amplifiers, even if they come from different brands. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging.

4-Ohm Mono: 320 watts RMS x 1-channel in 4-ohm @ 20-130Hz with 1% THD
2-Ohm Mono: 500 watts RMS x 1-channel in 2-ohm @ 20-130Hz with 1% THD

MOSFET Power: The Rockford R500-1 is equipped with a MOSFET power supply and output stage for good sound, efficiency and dependability.

LED Indicators: The Rockford Fosgate amplifier is equipped with two side-mounted LED indicators.

Power LED: This LED illuminates green when the unit is turned on.
Protect LED: This LED illuminates red if a short circuit or too low of an impedance is detected at the speaker connections. The amplifier will automatically shut don if this occurs.

Mounting: The amplifier can be mounted vertically or horizontally using the supplied mounting screws. The amplifier should never be mounted upside down or in an engine compartment (this will void your warranty).

Controls

Gain Control: The amplifier's gain control is preset to match the output of most source units. The gain control can be adjusted from 150mV to 8V.

Low-Pass Crossover: The amplifier features a built-in 12dB/octave Butterworth low-pass filter with a crossover point variable from 40 to 130Hz.

Phase: The phase switch allows you to select the output phase of the amplifier between 0-degrees and 180-degrees to match the rest of your vehicle's speaker system.

Punch Bass: This is a Punch bass control on the amplifier that is adjustable up to 12dB at a fixed 45Hz.

Remote Punch Level Control: When the wired remote Punch Level Control is connected to the R500-1, the gain control of the amplifier is link and allows you to remotely control the output level of the amplifier from the dash or center console of your vehicle. The wired remote Punch Level Control module features a rotary dial can comes supplied with mounting hardware and a 16.5' connector cable.

Connections

Power Terminals: The power and ground terminals are nickel-plated screw terminals and will accommodate up to 4 AWG power/ground wire (up to 1/2" spade or ring-style connector).

Remote Turn-On Terminal: The remote turn-on terminal is a nickel-plated screw terminal that will accommodate up to an 8 AWG wire (up 3/8" spade or ring-style connector). This terminal is used to remotely turn-on and turn-off the amplifier when +12V DC is applied, when connected to your headunit's remote turn-on lead. .

Speaker Terminals: The amplifier is equipped with two pairs of speaker terminals for an easy parallel subwoofer connection. The four speaker terminals (left +/- and right +/-) are heavy duty, nickel-plated screw-terminals what will accommodate up to 8 AWG speaker wire (up to 3/8" spade or ring-style connectors).

RCA Input Jacks: The industry standard RCA jacks provide an easy connection for signal level input. They are nickel-plated to resist signal degradation caused by corrosion.

RCA Output Jacks: This pair of RCA pass-thru jacks provide a convenient source for daisy-chaining an additional amplifier without running an extra set of RCA cable from the front of your vehicle to the rear amplifier location. They are nickel-plated to resist signal degradation caused by corrosion.

Punch Level Control: 3.5mm input for connecting the supplied Punch Level Control module.

Fuse: The amplifier is equipped with two installed 30-amp ATC fuses. The amplifier also comes supplied with two spare 30-amp fuses.

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Showing: 1-17 of 17

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5 out of 5

Great!

Written By Trucklover, Texas on Thursday, May 16, 2013

I would recommend this amp I have it hooked up to 2 12" 500 watt speakers no problem

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3 out of 5

Heat

Written By Greg, California on Friday, January 04, 2013

Crutchfield Customer Review (What's this?)

The amp was easy to install with a wiring kit and it can keep the power going.Except when it overheats. This amp should have been built with a fan.

Pros:

Good power supply.

Cons:

It loves to overheat.

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3 out of 5

Average

Written By Megajew, Victoria, Australia on Tuesday, November 13, 2012

Decent amp, got it hooked up to an re audio 12" d4 but it takes about a minutes worth of playing before it gets nearly too hot to touch. Hits the bass alright but it's probably not enough for my sub at the moment.

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5 out of 5

Sweet amp lots of power

Written By stock, yuma az on Saturday, September 08, 2012

I love this amp, lots of raw power, clean low bass. Wires in to another amp like a snap. Rockford makes the best products. Wire in capacitor for more lows and more stable power.

Pros:

Everything

Cons:

Get rid of bass dial add on, waste.

2 out of 2 people found this helpful

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2 out of 5

SUB-PAR

Written By Mike H., Phoenix, AZ on Friday, July 27, 2012

This AMP has to be the low end of RF products. While this amp looks cool, built very well, the sound quaility out of it is not all that great. The remote control has a dial with 10 settings. I - 4 are the same, 5- 7 no change and 8-10 no change in their respected numbers. Gets a little louder. Should be 1, 2 and 3 settings. I wouldn't say it's the worst amp out there.. but it's got some THD issues.

Pros:

Very slim Great value

Cons:

Remote gain control lacks total control Quaility of sound isn't all that great. Wish it was crossed over more.

2 out of 2 people found this helpful

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"Coolness Factor"

Build Quality

Ease of Use

Sound Quality

Value

5 out of 5

Bumps!

Written By Jose v., El Paso Tx. on Sunday, February 20, 2011

Really good amp for the price. I have it hooked up to 2 10in. Sony explodes and people
always ask how many 12's I have in my car. The amp does tend to over heat on hot
summer days but then again it could be because I can't help but to bump my system as
loud as I can. Its a really good amp and I recommend it to anyone.

5 out of 6 people found this helpful

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4 out of 5

Great for the price

Written By Philip, Midland, TX on Saturday, November 06, 2010

Crutchfield Customer Review (What's this?)

This amp is great for the price. Who else makes an amp at this price that will make your hair stand up. I'm pushing 2 Fosgate 10's right now in a Tahoe. Waiting on
Christmas to put in a set of 15's. If you can't feel it get rid of it. its got enough adjustments so you can fine tune to your liking. The only draw back. the amp gets hot to quick. Was tumping the neighbors while washing the Tahoe and after an hour it shut down. It was only 80 degrees out side. The Texas heat in the summer is going to kill this thing. Came back on with in 60 seconds. I have this mounted on the side of the speaker box, so it has plenty of air space.

4 out of 4 people found this helpful

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4 out of 5

Great value - lots of power at 2ohms

Written By Zack, Arlington, VA on Wednesday, August 25, 2010

Crutchfield Customer Review (What's this?)

I bought this amp after trying a 250W JL unit for use in my BMW 5 series. The
car's trunk has so much sound deadening that the JL unit wasn't audible at all
in the cabin. I got this amp, along with a .95 sq/ft sealed box and a 12" DVC
4ohm Alpine Type-R sub. Installation was SIMPLE, the hook-ups are easy,
documentation is all there, and this amp pushes the Alpine sub hard. I have more
bass than I know what to do with. The optional wired remote is a nice feature,
so I can turn the bass down when I have clients or business partners with me and
don't want to look like a teenager (even though I crank it all other times!).

Great value! One concern is to be mindful that this amp is very long (or wide,
depending how you look at it) and this makes mounting a point to consider. I
mounted mine upside down on the rear parcel shelf in my trunk, and its matte
black finish makes it invisible when the trunk is open. Wired with recommended
8GA wires, it runs well. No complaints yet.

4 out of 4 people found this helpful

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4 out of 5

Good and Bad

Written By isaac2005, Norfolk, VA on Friday, August 13, 2010

this amp is quite large but is great in the power department. i have have it pushing my one 12" kicker L7 2ohm. it sounds amazing for being so under powered. but you might not want to buy if in a hot area. it over heats when its hot outside because it is in the trunk so i recomend to install it in under a rear seat or some place cooler. but other than that its a great amp for the price.

4 out of 4 people found this helpful

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5 out of 5

BOOMING AMP!

Written By Sam, San Diego, CA on Wednesday, April 07, 2010

Crutchfield Customer Review (What's this?)

Man this amp is amazing. I had it hooked to two dual SVR speakers and it pushed them over the top! Now I have it hooked to two 12" Kicker CVR 2ohm DVC Subs and they do exactly what they are named. I have them in a seal hatchback box and it sounds amazing in my 96 deville. For my subs being under powered this amp is awsome. Getting one more to bridge. Rockford always give the best bang for your buck.

6 out of 6 people found this helpful

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1 out of 5

Its A Heater

Written By Brian, CB IA on Monday, September 07, 2009

Crutchfield Customer Review (What's this?)

I have been in car audio for 12 years and this is by far the worst amp i have ever used, Had it hooked up to a Alpine type R 10" with dual 4 ohm voice coils and it would barely move them, then after a hour of tweaking the setup it just shut off, could not touche the amp for a hour after it so hot. After that it would only run 10-15min without shutting off. Dont waste your time with this amp.

11 out of 49 people found this helpful

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5 out of 5

Great AMP

Written By Larry, Umatilla, FL on Wednesday, August 05, 2009

Crutchfield Customer Review (What's this?)

I purchased this AMP to be used in my 01 F150 extended cab. I have the
bench seat up front and mounted on the "hump" with no issues. Its
footprint is quite large so make sure you measure twice before you buy. It
powers my 2 MTX 10's with no problems.

6 out of 6 people found this helpful

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5 out of 5

Rockford Fosgate Prime R500-1

Written By Sandy, Montana on Tuesday, July 14, 2009

Crutchfield Customer Review (What's this?)

Easy to hook up, tons of power, and a great price you cant go wrong with
this amp. Powering 1 10" infinaty 1052 in a sealed box at 2 ohms with
power to spare. Makes me wanna get another very nicely built and at this
pirce you cant beat it.

4 out of 4 people found this helpful

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5 out of 5

Rockford Fosgate and crutchfield always a good combo for Bass

Written By Mr.Cab, Ohio on Saturday, June 13, 2009

Crutchfield Customer Review (What's this?)

Hooked this amp up to Rockford Fosgate P2L-212 Stage 2 Dual 12"
Hatchback Subwoofer Thinking a would get a little bass in my 2009 impala
boy was I wrong it was more bass then I thought after a quick 2 minutes
of tuning it sound great. I got more bass for less money then any of the
local shops could do. Rockford Fosgate and crutchfield always a good
combo for auto sound .

5 out of 5 people found this helpful

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5 out of 5

At this price, WOW!!!

Written By jake, evansville, in on Thursday, April 30, 2009

Crutchfield Customer Review (What's this?)

hooked this up to a JL W1v2 12" sub at 320x1 4-ohms and it kicks! the price couldn't be better. plus with the option of "wiring down," you can add an additional sub to get even more bass outta your setup....overall, very pleased. best price you'll find at RF's quality, and at this power rating.

3 out of 3 people found this helpful

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5 out of 5

Incredible Bass Power and Tightness

Written By Juanbanzai, Buffalo, New York on Monday, April 13, 2009

Crutchfield Customer Review (What's this?)

On the recommendation of Sam at Crutchfield, I purchased this amp to replace my dead Pioneer 7300M. I'm using the amp with a pair of 10" Infinity 1050Ws. It was so simple to hook up (including the wired volume control) that it honestly took 15 minutes from out of the box, to inside my car and ready to use. I simply can't believe the difference in the quality of the bass! It's actually painful to have the amp turned up loud since the tightness and accuracy is incredible. Depending on your settings, you can get as much boom as you want, yet it performs great for every type of music I've thrown at it. Even older Big Band music sounds fuller and more robust. For the price, this is truly a remarkable amp especially if it's used with a stock car stereo.

If you buy this amp, you won't be disappointed.

8 out of 8 people found this helpful

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5 out of 5

Rockford Fosgate Prime R500-1

Written By Bret, Valrico, FL on Tuesday, April 07, 2009

Crutchfield Customer Review (What's this?)

Great amp no problems. It is driving two 8" polk db sub-woofers and it has plenty of punch. Especially like the bass remote control. Allows you to adjust the punch of the bass for different music.

Great service from Crutchfield.

8 out of 9 people found this helpful

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Rated 5-stars by consumers

For a more in-depth review and enhanced detailed information on the Rockford Fosgate Prime R500-1, please visit the Crutchfield website product page (/S-jhqEWGw22bs/p_575R5001/Rockford-Fosgate-Prime-R500-1.html ).

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Rockford Fosgate Prime R500-1

Mono subwoofer amplifier — 500 watts RMS at 2 ohms

Item# 575R5001 offer details

Review Summary

By buying this product you'll earn up to 130 Rewards points.

My system has plenty of power. Who needs an amp?

Our take on the Rockford Fosgate Prime R500-1

by Buck Pomerantz

Highlights:

Shop all Rockford Fosgate Car Amplifiers

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs

Product Research

Our Product Research Team

Features

Controls

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Product Reviews

Reviews for the Rockford Fosgate Prime R500-1

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Great!

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Average

Sweet amp lots of power

SUB-PAR

Bumps!

Great for the price

Great value - lots of power at 2ohms

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BOOMING AMP!

Its A Heater

Great AMP

Rockford Fosgate Prime R500-1

Rockford Fosgate and crutchfield always a good combo for Bass

At this price, WOW!!!

Incredible Bass Power and Tightness

Rockford Fosgate Prime R500-1

Accessories

Add accessories for the Rockford Fosgate Prime R500-1

You'll need an amp wiring kit to install your new amplifier, as wiring is not included. See all categories & accessories

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Compare with other Rockford Fosgate models