Name: Rockford Fosgate Prime R2-1200X1 - New (Damaged Packaging, Product A+)
Brand: Rockford Fosgate
SKU: r21200x1_obc
Price: 404.99 USD
Availability: Discontinued
Rating: 4.9130 (23 reviews)

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Product highlights

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

Learn more about the r21200x1_obc

Description

Authorized dealer

Item Condition - New, Damaged Packaging:

The product is brand new with only the packaging not being in perfect condition. This occurs sometimes because our warehouse teared the box or it was slightly damaged during shipment to our warehouse.

Product Details:

Prime Series Class D 1 ohm Stable Monoblock Amplifier
RMS Power Rating:

4 ohm: 400 watts x 1 channel
2 ohm: 800 watts x 1 channel
1 ohm: 1200 watts x 1 channel

Total RMS power output: 1200 watts
LED Power/Protect Light
Wired bass level remote control included
Speaker-level (high-level) inputs
1 pair of pre-amp outputs
Signal sensing remote turn-on
3-way protection circuitry (Over current, rollback, and short circuit protection)
Top-mount control panel
Balanced differential inputs
Input sensitivity:

Low level: .15 - 4 volts
High level: .45 - 12 volts

Frequency Response: 20 - 250 Hz
Total Harmonic Distortion (THD): >1%
Signal to Noise Ratio: 75 dB
Variable low-pass filter: 50 - 250 Hz
Subsonic filter: 15 - 40 Hz
Variable Bass Boost: 0 - 18 dB
Fuse Rating: 200A
4 AWG gauge amplifier wiring kit is recommended for installation
Dimensions: 11-1/4" L x 7-3/4" W x 2" H
Authorized Internet Dealer
1-year Manufacturer's Warranty
MFR #: R2-1200X1

Rockford Fosgate R2-1200X1 Manual

Frequently Asked Questions (FAQ)

My amplifier is getting extremely hot and shutting off. Is it defective?

This is usually due to "Thermal Protection." Ensure the amp has at least 2" of clear air space on all sides. If it’s mounted under a seat or in a tight spot, you may need a small 12V cooling fan to circulate air over the heatsink.

The "Protect" light turns red as soon as I turn up the volume. Any tips?

This often indicates a "short circuit" or too low an impedance. Check your subwoofer wiring; if you are wired below 1-ohm, the amp will shut down to prevent damage. Ensure all speaker wire strands are tucked neatly into the terminals.

How do I set the "Gain" properly without a professional tool?

This amp features C.L.E.A.N. setup technology. Play a 40Hz test tone at 3/4 volume on your radio. Turn the Gain up until the "Output" LED turns Red, then back it off until it is Blue/Green. This prevents "clipping" that destroys subs.

My factory radio doesn’t have RCA outputs. How do I connect this?

Use the included High-Level Input harness. Tap into your car’s rear speaker wires and plug them directly into the amp. The R2-1200X1 features "Auto Turn-on," so you won't even need to run a separate blue "Remote" wire.

I installed the amp, but I’m not getting any sound from my sub. Why is that?

Check the "Input Level" switch. If you are using RCAs, it must be on "Low." If using speaker wires, set it to "High." Also, ensure the "Remote Punch Level Control" knob is plugged in and turned up, as it can mute the output.

The bass sounds "hollow" or weak despite the 1200W rating. What's wrong?

Check your Infrasonic Filter. If it's set too high (e.g., 80Hz), it’s cutting out the bass you want to hear. Set it to roughly 5-10Hz below your ported box’s tuning frequency, or around 20Hz for sealed boxes, to restore depth.

Do I really need 4-gauge wire for this amp, or can I use thinner wire?

You must use a high-quality 4-gauge 100% Oxygen-Free Copper (OFC) kit. Thinner wire or "Copper Clad Aluminum" (CCA) will cause a voltage drop, making the amp clip or shut down due to "Low Voltage Protection" during heavy bass hits.

My car's headlights are flickering when the bass hits. How do I fix this?

This amp pulls significant current. Perform the "Big 3" upgrade (upgrading the main battery and alternator cables) or add a stiffening capacitor. This ensures the amp gets the constant 14.4V it needs for maximum 1200W output.

Specifications & Details

Key Features

Amplifier Key Features

Bass Boost
Speaker Level Inputs

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms

400 watts x 1 channel

RMS Power @ 2 ohms

800 watts x 1 channel

RMS Power @ 1 ohm

1200 watts x 1 channel

Amplifier Specifications

Series

Prime Series

Amplifier Class

Number of Channels

1 - Mono

Total RMS Power Output

1200 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

1 ohm

Minimum Impedance Bridged

Not Bridgeable

Frequency Response

20 - 250 Hz

THD at Rated RMS Power

>1%

Speaker Level Inputs

Yes - with included adapter

Preamp Outputs

1 pair

Built-in Crossover

Low-Pass (LP)
Subsonic

Low-Pass Crossover Frequency

50 - 250 Hz

Subsonic Filter

15 - 40 Hz

Signal-to-Noise Ratio

75 dB

Bass Boost

0 - 18 dB

Remote bass/level controller

Yes

Fuse Rating

200A x 1

Total Fuse Rating

200

Sonic Certified Amplifier

Not Tested

Low-Level Input Sensitivity

.15 - 4 volts

High-Level Input Sensitivity

.45 - 12 volts

What is in the box?

Paperwork

User manual
Warranty/Registration card
Power certification

WITB: Amplifiers

Amplifier
Wired gain knob (wire separate)
Mounting screws (6)
Washers (6)
High-level input wiring harness w/ molex connector
Allen wrench

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

Rockford Fosgate Prime R2-1200X1 - New (Damaged Packaging, Product A+) thumbnail image

Overall rating distribution

5 star		91%
4 star		9%
3 star		0%
2 star		0%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		5
Value		4.9
Features		5
Design		5
Usability		4.8

Customer Photos & Videos

Customer Reviews

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The Best Purchase Ever!!!!

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

You know what your getting when you buy Rockford Fosgate amps. I had the Prime 750 Watt Class D 1 channel Amplifier with 2 KICKER - CompR 12" Dual-Voice-Coil 2-Ohm Subwoofers and the sound was good. But since I put the Rockford Fosgate Prime R2-1200X1 and 2 Skar Audio SVR-12 D4 12" 1600 Watt Max Power Dual 4 Ohm Car Subwoofer in my truck it's amazing. The deep bass is amazing. You feel everything. It makes your ears hurt. You feel it through your body. I couldn't have made a better purchase. If you want a amp that will stand the test of time go with Fosgate. You won't regret it.

By Veno on August 24, 2020 Checkmark Icon

Verified purchase

59 found this helpful

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Great Amp lots of power

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

I have this r2 12000 watt amp on two 12” dB drive subs and it hits hard and sounds very clean and crisp, If you buy this amp and don’t like it I will give your money back.

By Black Cat on October 6, 2020

53 found this helpful

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What dreams are made of

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

I have skar SDR Triple 8's. They're rated at 1000 watts RMS and I can't even turn it halfway up. The quality is like no other

By Zach on July 8, 2020

51 found this helpful

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Awesome quality

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

Running dual 15” RF P2s off this, and it’s insane. Handles it with no problem

By Nick on August 23, 2020 Checkmark Icon

Verified purchase

49 found this helpful

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The following review is for R2-1200X1, which is a part of the bundle you are viewing.

with rockford fosgate there is not much to say they are always very good quality products and at an affordable price I have used punch for years and I have never been disappointed in fact I have a subwoofer that is more than 19 years old and it still works very well

By Ciscofigueroa@icloud.com on October 16, 2022 Checkmark Icon

Verified purchase

45 found this helpful

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The following review is for R2-1200X1, which is a part of the bundle you are viewing.

By Kevin on July 8, 2023 Checkmark Icon

Verified purchase

41 found this helpful

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The following review is for R2-1200X1, which is a part of the bundle you are viewing.

By Jordan on February 18, 2023 Checkmark Icon

Verified purchase

40 found this helpful

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The following review is for R2-1200X1, which is a part of the bundle you are viewing.

By mrjulieman1 on April 5, 2023 Checkmark Icon

Verified purchase

36 found this helpful

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R2 1200.1

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

I have this hooked up to 13.5 w7 with dual 1.5 ohm coils putting around about .75 ohms box rise keeps about 1 ohm stable … I made sure the box is tuned to 36 hertz … I have this in a 2011 Hyundai Elantra … bass is loud … deep … very clean

By Jason on October 20, 2022

35 found this helpful

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The Power of Fosgate

The following review is for R2-1200X1, which is a part of the bundle you are viewing.

Overall great bang for your buck. Excellent engineering on a budget Rockford amp.

By Reyze on May 3, 2023 Checkmark Icon

Verified purchase

27 found this helpful

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See all 23 reviews

Add-ons

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Rockford Fosgate Prime R2-1200X1 - New (Damaged Packaging, Product A+)

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