Rockford Fosgate R1200-1D

Mono subwoofer amplifier — 1,200 watts RMS x 1 at 1 ohm

Item #: 575R12001D

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Rockford Fosgate packs more power per square inch into their Prime Class D amps than almost any other amplifier made, so you can put more music power in your vehicle's limited space. Your bass will hit loud and clear with one of these reliable and cool-running amps. The versatile R1200-1D puts out 600 watts RMS to a 4-ohm sub, but will crank out 1,200 watts RMS when it's running a 1-ohm subwoofer setup.

Clean power, extensive controls
Rockford Fosgate designed this Prime amp to deliver Power Output Without Excessive Regulation (POWER), which means it'll respond quickly to the peak demands that you may throw at your system. Low-pass and subsonic filters, along with Rockford Fosgate's famous Punch bass boost, let you tune your subs for maximum performance, so your driver's seat will become your favorite place to pick up the beat. And, speaking of the driver's seat, you can hook up an optional wired remote knob to get fingertip control over this amp's bass impact.

Product Highlights:

  • mono subwoofer amplifier
  • 400 watts RMS x 1 at 4 ohms (800 watts RMS x 1 at 2 ohms)
  • 1,200 watts RMS x 1 at 1 ohm
  • CEA-2006 compliant
  • variable low-pass filter (50-250 Hz, 12 dB/octave)
  • variable subsonic filter (15-40 Hz, 12 dB/octave)
  • variable Punch bass boost (0-18 dB at 45 Hz)
  • included wired remote Punch Level Control
  • Class-D amplifier design
  • MOSFET power and output stages
  • frequency response: 20-250 Hz
  • preamp-level inputs and outputs
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 100-amp in-line fuse between the distribution block and the amplifier is recommended
  • 11-1/8"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

  • Mono subwoofer amplifier
  • Punch Level Control module
  • 16.5' Punch Level Control cable terminated by an RJ25 connector on each end
  • 2 Small self-tapping screws (1/2" length)
  • 4 Large self-tapping screws (1-1/2" length)
  • 3mm Allen wrench
  • Installation & Operation Manual (Eng / Spa / Fre / Ger / Ita)
  • Amplifier Verification Certificate

Product Research

Features
Controls
Connections

Features

Overview: The Rockford Fosgate Prime R1200-1D is a mono Class D amplifier. It is optimized to power subwoofers, and is 1-ohm stable. The Class D design is very efficient with a cast aluminum heatsink to keep it in a small footprint. The amplifier has 85% average efficiency at 4-ohms or 2-ohms, and 80% at 1-ohm.

CEA 2006 Compliant: The R1200-1D'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 different brands. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging. The RMS power output is as follows (measured with a 14.4 volt input, <1% THD+N, 20 Hz-250 Hz):

  • 4-Ohm: 400 watts x 1
  • 2-Ohm: 800 watts x 1
  • 1-Ohm: 1200 watts x 1

LED Indicator: The amplifier is equipped with a top-mounted LED indicator which illuminates blue when the unit is turned on. The LED illuminates red when a protection circuit engages (short circuit or too low an impedance is detected at the speaker connections). The amplifier automatically turns off if this occurs.

Mounting: The amplifier can be mounted vertically, horizontally, or inverted using the supplied mounting screws; horizontal mounting (right side up) will provide the best cooling.

Controls

Amp Controls: The R1200-1D has the following top-mounted controls:

  • Gain Control: a rotary gain control that can be adjusted from 1 to 11
  • Low Pass Filter: a 12 dB/octave Butterworth low pass filter with a crossover point variable from 50 Hz to 250 Hz
  • Infrasonic Filter: a variable 15-40Hz, 12 dB/octave infrasonic filter designed to prevent frequencies below the audio range from being applied to the subwoofer
  • Punch EQ: a rotary bass boost control, centered at 45 Hz, from 0 dB to +18 dB

Remote Punch Level Control: The amplifier includes a wired Remote Punch Level Control, which is linked to the gain control of the amplifier. The module allows you to remotely control the output level of the amplifier from the dash or center console of your vehicle. The Remote Punch Level Control features a rotary dial, and comes with mounting hardware and a 16.5' connector cable.

Connections

Terminals: The amplifier features heavy duty, nickel-plated set-screw terminals. The set screws can be tightened or loosened with the supplied 3mm Allen wrench. The terminals include:

  • Power/Ground: will accommodate up to 4-gauge wire
  • Remote Turn-On: will accommodate up to 8-gauge wire
  • Speaker Terminals: will accommodate up to 8-gauge wire. Two Positive (+) and Negative (-) terminals are provided for installation flexibility. Both terminals are wired in parallel internally.

Fuses: The amplifier does not have on-board fuses. A 100A fuse should be placed on the power wire within 18" of the battery.

RCA Input Jack: The RCA input jacks are nickel-plated to resist signal degradation caused by corrosion.

RCA Pass-Thru Jacks: The nickel-plated RCA pass-thru jack provides a convenient source for daisy-chaining an additional amplifier without running an extra set of RCA cables from the front of the vehicle to the amplifier location.

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 R1200-1D Reviews

Average Customer Review:

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Total Powerhouse

Written By Tyler, Ohio on Tuesday, September 02, 2014

The amp, even at 2 ohms, is rocking the heck out of my two 12" P3's. Afraid to see it at 1ohm! Great buy.

Pros: Powerhouse, Great SQ, Highly Efficient

Cons: Gets fairly warm quickly

Rockford Fosgate R1200-1D

Written By DirkNBer, Meridian, MS on Friday, July 26, 2013

Upon deciding I was going to install a complete RF system, the first factor was above all else, clear, crisp sound. I have this R1200-1D pushing 2 Rockford Fosgate P3 12" subs. Having the right equipment, such as the Rockford Fosgate 3Sixty.3 signal Processor with the R1200-1D turns this meek little entry-level amp into a purebred BEAST! As I mentioned prior, great sound quality is a MUST. The R1200-1D has managed to deliver the BEST quality sound out of my system to date. I am 44 yrs young, and have been installing high-end systems for over 20 years. For the money, the R1200-1D cannot be beat!

Pros: small footprint, but huge sound.

Cons: No internal fuses. Design leaves something to be desired in the fact that you can see all wires leading in & out of unit. Personally, I feel they could've put more thought into designing a plate to conceal wires.

great

Written By jeff j, wa on Wednesday, May 22, 2013

great sub, clear and delivers way more than enough power to my 10 inch JL w6.WAY loud and sounds great!

Pros: somewhat compact, doesn't overheat on me, clear sound, tons of power

Cons: none.

Rockford R1200-1D

Written By gunsdebock, Norfolk, Va on Sunday, August 26, 2012

Bought this amp to power a Kicker CVT-10 Shallow mount sub in my F-150 Supercrew and it does an outstanding job. Powerfull Amp yet very clear sound. Makes my one 10 hit so hard it sound like two 10's. Well worth the money.

Pros: Size, very small yet a ton of power. Doesn't get very warm when pushing it hard.

Overall Great

Written By Rob, macomb, Mi on Sunday, July 15, 2012

I just bought this amp a few days ago and so far i've enjoyed it. With this amp and a 12' alpine it seems to hit very hard but at the same time very clear and consistent

Pros: Great control of the subs and sounds great

Cons: No fuse in the actual amp itself. I always love to have a fuse at the amp and 2 in the middle

Get everything you’ll need to enjoy your new Rockford Fosgate R1200-1D

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.
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.
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Questions & Answers Ask the community. Share your knowledge.

2 questions already asked

We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Greg  Jul 28, 2014 ]  Staff
I forwarded your question to an Advisor and they responded with the following: If your subs are 1000 watts RMS apiece that amplifier isn't enough power. You would only get 400 watts RMS per sub when presenting the amplifier with a 2-ohm load. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy  Jun 25, 2014 ]  Staff