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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

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  • Rockford Fosgate R600X5

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  • Rockford Fosgate R600X5

  • Rockford Fosgate R600X5

  • Rockford Fosgate R600X5

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Our take on the Rockford Fosgate R600X5

by Buck Pomerantz
Rockford Fosgate

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.

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.

See more info on this item

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

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

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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50 x 4
200 x 1
Peak Power Output (Watts x Channels)
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N/A
Power at 2 Ohms (Watts x Channels)
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75 x 4
Bridged Power (Watts x Channels)
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150 x 2
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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20-20k Hz
THD at Rated RMS Power
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1%
Signal to Noise Ratio
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80 dB
Input Voltage
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14.4v
Features
Amplifier Class
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AB/D
Low-Pass Crossover Frequency
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50-250 Hz
Low-Pass Slope (dB/octave)
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12 dB/octave
High-Pass Crossover Frequency
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50-250 Hz
High-Pass Slope (dB/octave)
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12 dB/octave
Bass Boost
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0-12 dB
Bass Boost Frequency
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45 Hz
Fan Cooled
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No
Fuse Rating
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80
Speaker Level Inputs
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Harness
Preamp Outputs
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No
Width (inches)
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13-1/4
Height (inches)
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2
Depth (inches)
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7-3/8
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product 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

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.

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.

 
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Rockford Fosgate R600X5 Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

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.
Was this review helpful?    Yes | No
 
4 out of 5

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
Was this review helpful?    Yes | No
 
5 out of 5

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
Was this review helpful?    Yes | No
 
3 out of 5

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
3 out of 12 people found this helpful
Was this review helpful?    Yes | No
 

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For a more in-depth review and enhanced detailed information on the Rockford Fosgate R600X5, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_575R600X5/Rockford-Fosgate-R600X5.html ).