Rockford Fosgate R600X5

Prime Series 5-channel car amplifier — 50 watts RMS x 4 at 4 ohms + 300 watts RMS x 1 at 2 ohms

Item #: 575R600X5

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4 Reviews | 2 questions - 3 answers

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Rockford Fosgate power for your whole system

Rockford Fosgate performance in a rugged package – the Prime Series R600X5 5-channel amp can drive 4 speakers with 50 watts RMS each, while powering a subwoofer with up to 300 watts RMS. Not worried about your rear speakers? You can bridge the amp to 2-channel mode to drive a pair of high-performance components with 150 watts RMS each, while still sending that 300 watts to a sub. You can use the high- and low-pass filters and Rockford Fosgate's famous Punch boost to get maximum performance from your speakers and sub. And speaker-level inputs let you hook this amp up to almost any system, even a factory stereo.

Rugged performance and value

The R600X5's heavy cast-aluminum chassis efficiently draws damaging heat away from its internal components, ensuring reliable, long-term play. The amp's built-in sensors keep track of the output current and power supply temperature, ensuring that plunging impedances (they change constantly during play) or even a short circuit won't hurt anything. Your driver's seat will become your favorite place for listening to music once this Prime amp goes to work.

Product Highlights:

  • 5-channel car amplifier
  • 50 watts RMS x 4 at 4 ohms + 200 watts RMS x 1 at 4 ohms
  • 75 watts RMS x 4 at 2 ohms + 300 watts RMS x 1 at 2 ohms
  • 150 watts RMS x 2 bridged at 4 ohms + 300 watts RMS x 1 at 2 ohms
  • CEA-2006 compliant
Front and rear channels:
  • variable high- and low-pass filters (50-250 Hz, 12 dB/octave)
  • selectable Punch EQ bass boost (0, 6, 12 dB at 45 Hz)
  • Class AB amp technology
Subwoofer channel:
  • variable low-pass filter, always engaged (50-250 Hz, 12 dB/octave)
  • variable bass boost (0-12 dB at 45 Hz)
  • Class D amp technology
  • remote Punch level control included
More info:
  • preamp and speaker-level inputs
  • 4-gauge power and ground leads and an 80-amp fuse recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 80-amp in-line fuse between the distribution block and this amplifier is recommended
  • dimensions: 13-1/4"W x 2"H x 7-3/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

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.

Hands-on research

What's in the box?

Download owner's manual

  • 5-Channel amplifier
  • Remote Punch Level Control module
  • 18' Remote Punch Level Control cable (RJ-25 connector on both ends)
  • Two 6" Speaker level input harnesses
  • 3mm Allen wrench
  • Four 3/4" Self-tapping screws
  • Two 1/2" Self-tapping screws
  • 4 Flat washers
  • Installation & Operation manual (English/ French/ Spanish/ German/ Italian)
  • Amplifier verification certificate

Product Research

Features
Controls
Connections

Features

Overview: The Rockford Fosgate Prime R600X5 is a 5-channel amplifier, with full range two 2-channel amps and a mono subwoofer amp built into one chassis. The front and rear amps are class A/B with identical but independent controls (gain, crossover, Punch EQ). The subwoofer amp is class D with its own gain, crossover, phase, and Punch EQ controls. The front and rear channels are bridgeable, so the amp can also be used in 4-channel or 3-channel modes.

CEA 2006 Compliant: The R600X5's power ratings and signal to noise ratio are measured according to the uniform standards advocated by the Consumer Electronics Association (CEA). This allows you to accurately compare these specifications for all CEA 2006-compliant amplifiers, even from different brands. Manufacturers who adhere to these standards can display the CEA 2006 logo on their products and packaging. CEA2006 Specifications for this amplifier are:

  • 4 Ohms: 50 watts RMS x 4 plus 200 watts RMS x 1, 14.4 volts, and less than 1% THD+N
  • 2 Ohms: 75 watts RMS x 4 plus 300 watts RMS x 1, 14.4 volts, and less than 1% THD+N
  • Bridged: 150 watts RMS x 2 at 4 ohms, 14.4 volts, and less than 1% THD+N (front and rear channels only)
  • S/N: 80 dB, measured at 1 watt output (100 dB measured at rated power)

LED Indicator: The amplifier is equipped with an LED power/protect indicator. The LED illuminates blue when the unit is turned on. It illuminates red if the thermal or short circuit protection circuit is engaged, and the amplifier will automatically turn off.

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

Controls

Gain Controls: The front, rear, and subwoofer amplifier channels have independent gain controls. Each rotary control is labeled 1 to 11 and has a sensitivity range of 150mV to 4V when using the RCA inputs, 450mV to 12V when using the speaker level inputs.

Remote Punch Level Control: The R600X5 includes a wired Remote Punch Level Control, linked to the gain control of the subwoofer amplifier. The module allows you to remotely control the output level of the sub from the dash or center console. The Remote Punch Level Control features a rotary dial, and comes with mounting hardware and an 18' cable.

Note: The Remote Punch Level Control measures approximately 1-3/4" wide (2-5/8" including the mounting flange) x 3/4" high x 1-5/8" deep (2-1/8" deep including the knob and wiring).

Crossover: Each section of the amplifier has independent crossover controls:

  • Front: low-pass, high-pass, or full-range; 12 dB/octave slope; crossover point continuously variable from 50 to 250 Hz
  • Rear: low-pass, high-pass, or full-range; 12 dB/octave slope; crossover point continuously variable from 50 to 250 Hz
  • Subwoofer: low-pass, always engaged; 12 dB/octave slope; crossover point continuously variable from 50 to 250 Hz

Punch EQ: Each section of the amplifier also has independent Punch EQ controls:

  • Front: 0 (flat), +6 dB, or +12 dB; centered at 45 Hz
  • Rear: 0 (flat), +6 dB, or +12 dB; centered at 45 Hz
  • Subwoofer: adjustable from 0 (flat) to +12dB; centered at 45Hz

Phase: The subwoofer amp has a 2-position phase switch to allow you to easily reverse the output phase of the amplifier, choose 0° or 180° to match the rest of your vehicle's speaker system.

Input Switch:

  • 2-CH: when using only the front inputs
  • 4-CH: when using the front and rear inputs
  • 5-CH: when using the front, rear, and sub inputs

Connections

Power Terminals: The power and ground terminals are nickel-plated set screw terminals and will accommodate up to 4 gauge power and ground wires.

Fuse: An external 80-amp fuse (not included) must be installed on the power wire at the battery. If a wiring kit is used which includes a fuse with a value other than 80-amps, the original should be replaced with a 80-amp fuse.

Remote Terminal: The remote turn-on terminal is a nickel-plated set screw terminal that will accommodate up to an 8 AWG wire. It's used to remotely turn the amplifier on and off.

Speaker Terminals: The five pair of speaker outputs are nickel-plated set screw terminals what will accommodate up to 8 AWG speaker wire.

RCA Input Jacks: Front, rear, and subwoofer RCA input jacks provide an easy connection for preamp level inputs. They are nickel-plated to resist signal degradation caused by corrosion.

Speaker Level Input: Two speaker level input harnesses are included, making it easier to add the amplifier to a factory radio or to a receiver with no preamp outputs.

Wired Remote: An RJ-25 jack is used with the included Remote Punch Level Control.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Rockford Fosgate R600X5 Reviews

Average Customer Review:

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Rockford Fosgate 5-Channel Amp

Written By Anonymous, Arlington, VA on Friday, September 05, 2014

Crutchfield Customer Review (What's this?)

This is an excellent purchase for the person who's looking to match treble with bass using only one amp.

Like most Rockford amps, the advertised power is about 17% less than the power stated on the Certificate provided in the box; therefore, this amp is really putting out 60 x 4 @ 4 ohms and 350 x 1 @ 2 ohms. The crossover functions and bass boost remote help tune the system for a well-balanced mix for all types of music.

Pros: Best bang for your buck.

Cons: None.

sewanee auto

Written By harold t, sewanee,tn on Friday, August 08, 2014

Crutchfield Customer Review (What's this?)

very good product

Pros: very powerful

Cons: overheats and shuts down at times

loved this amp

Written By Anonymous, iowa falls iowa on Saturday, June 14, 2014

Was a great amp, replaced my 2 channel and and used this for my subs and a pair of 5.25s and 6x9s. It made my system sound a lot louder and crisper.

Pros: Power/can't go wrong with rock/fosgate Crutchfield support is amazing

Cons: Price is a little higher than id like

Mid power

Written By Greg, Ky. on Friday, June 28, 2013

Crutchfield Customer Review (What's this?)

Was a little disappointed in the lack of power it had for my application. Returned it for replacement Crutchfield was great as always

Pros: Remote punch adjustment

Cons: Not enough power for my system

Get everything you’ll need to enjoy your new Rockford Fosgate R600X5

Bring the music from your amp to your speakers.
Patch cables take the music from your stereo to the amplifier. Most amp wiring kits don't include them.
Get a spare fuse now so you won't be listening to silence later.
For multi-amp systems, you'll need a separate fuse holder.
Helps protect your car's charging system and improves power handling. Required power and ground wires not included with cap.
The right tools will make the installation easier.
Have your new amplifier put in by a qualified professional in your area.
Rockford Fosgate RFK4X

Rockford Fosgate RFK4X

Complete 4-gauge amplifier wiring kit
Includes patch cable and speaker wire

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Rockford Fosgate RFK4

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4-gauge amplifier power wiring kit

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Kicker PK4

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T-Spec 4PK Installation Kit

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4-gauge amplifier wiring kit — includes speaker wire

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EFX PA4BX Wiring Kit

EFX PA4BX Wiring Kit

4-gauge amplifier wiring kit — includes 2-channel patch cable

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T-Spec V10-RAK4

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4-gauge amplifier wiring kit — includes 2-channel patch cable

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Kicker CK4

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Complete 4-gauge amplifier wiring kit — includes 2-channel patch cable and speaker wire

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Lightning Audio LA-4i

Lightning Audio LA-4i

4-gauge amplifier wiring kit — includes 2-channel patch cable

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T-Spec 12-gauge Speaker Wire

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T-Spec 16-gauge Speaker Wire

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Stinger PRO Series Speaker Wire

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Priced per foot (14 Gauge)

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T-Spec 4-Channel RCA Patch Cable

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17-foot length

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T-Spec 2-Channel RCA Patch Cables

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EFX 17-foot RCA Patch Cable

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EFX 2-Channel RCA Patch Cables

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Reference Series Multi-Core RCA patch cables — available in 5 different lengths (12-foot)

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EFX 2-Channel RCA Patch Cables

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EFX 2-Channel RCA Patch Cables

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Elite Series Braided Multi-Core RCA patch cables — available in 5 different lengths (25-foot)

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Rockford Fosgate RFF80 MAXI Fuse

Rockford Fosgate RFF80 MAXI Fuse

Pair of 80-amp platinum-plated wafer fuses

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T-SPEC V8 Mini-ANL Fuses

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Pair of nickel-plated mini-ANL fuses (80-amp)

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Rockford Fosgate RFFAGU Fuse Holder

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EFX CFHG4 Fuse Holder

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In-line AGU fuse holder accepts 4- to 8-gauge wire

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T-Spec Capacitor

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T-Spec Capacitor

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Set of 6 pry tools — helps remove interior and exterior trim and door panels

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Cuts and strips 12- to 22-gauge wire

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DEI Heat Shrink Tubing

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InstallCard: Amp or Equalizer

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Autosound 2000 Disc One

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Autosound 2000 Disc Five

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Questions & Answers Ask the community. Share your knowledge.

2 questions already asked

May not be a good one to ask since I myself thought it was short on power & punch so I returned it to Crutchfield [ GREG  Oct 08, 2014 ]
That depends on the output of your Subs. If they are 150 each then it would work but it is always better to be a little over powered on the amp side of things that way it does not have to work as hard. If I drive a 300 watts in Subs then I want no less than a 400 watt amp. 5 Channel amps are nice and cost more but you could buy 1 amp for your speakers and buy another just for the amps. I use Crutchfields house brand amps and they work great. You can buy 2 house brand amps for less than you would pay for a 5 channel amp. That will leave you money to buy cables and wire [ DUKE  Oct 08, 2014 ]
It powers a single 12 just fine [ Eliseo  Oct 03, 2014 ]