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Delivers strong, real-world bass power beyond its rating in a small, easy-to-set-up package; largely praised for sound and integration, with a few reports of defects and possible stress under extreme continuous use.
Buyer confidence
91%Highlights
- 1 Year Warranty
- Variable Infrasonic Filter
- Class-D Topology
- Cast aluminum heat sink
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 1200 Watts
- Rated Power (RMS Continuous Power)
- 400 Watts x 1 @ 4Ω 800 Watts x 1 @ 2Ω 1200 Watts x 1 @ 1Ω
- Dynamic Power (PVC/PowerCube®)
- 489 Watts x 1 @ 4Ω 889 Watts x 1 @ 2Ω 1389 Watts x 1 @ 1Ω
- Bridgeable
- No
- Frequency Response
- 20 Hz - 250 Hz
- Input Sensitivity
- Low-Level: 150 mV - 4 V High-Level: 450 mV - 12 V
- Circuit Topology Class
- Class-D
Key specs
Full specs- Number of Channels
- 1
- Total Power (Sum of Rated Power)
- 1200 Watts
- Rated Power (RMS Continuous Power)
- 400 Watts x 1 @ 4Ω 800 Watts x 1 @ 2Ω 1200 Watts x 1 @ 1Ω
- Dynamic Power (PVC/PowerCube®)
- 489 Watts x 1 @ 4Ω 889 Watts x 1 @ 2Ω 1389 Watts x 1 @ 1Ω
Highlights
Overview- 1 Year Warranty
- Variable Infrasonic Filter
- Class-D Topology
Review highlights
Based on customer reviewsCompact, high‑output mono amp with simple tuning
Delivers strong, real-world bass power beyond its rating in a small, easy-to-set-up package; largely praised for sound and integration, with a few reports of defects and possible stress under extreme continuous use.
What buyers praise
- Proven punch — review bench tests often show ~1400–1500W at 1Ω
- Compact footprint — fits under seats and allows flexible mounting
What to watch for
- A small number of reviewers reported receiving a defective unit
Overview
The Rockford Fosgate R2-1200X1 is a 1200 watt Class-D mono amplifier designed for subwoofer applications. It combines efficient Class-D operation with C.L.E.A.N. circuitry, a P.O.W.E.R. supply, Punch EQ and remote level control to help tune deep bass.
Best for
- Driving a single subwoofer or mono subwoofer bank
- Systems where electrical efficiency is important
- Users who want adjustable bass tone and level (Punch EQ and remote level control)
- Both factory audio integrations and custom aftermarket systems
Key points
- 1200 watt Class-D mono amplifier
- Operates at 4Ω, 2Ω or 1Ω mono
- C.L.E.A.N. circuitry for simplified gain adjustment
- P.O.W.E.R. supply that generates more power as voltage increases
- Integrated Punch EQ to boost and shape low frequencies
- Variable infrasonic filter and remote level control for bass tuning
Fit and use
Intended for mono subwoofer use; match the amplifier’s operating impedance (4Ω, 2Ω or 1Ω) to your subwoofer load. Class-D design reduces electrical demand compared with less efficient amplifier classes. Controls such as Punch EQ, the infrasonic filter and remote level control let you tailor bass response to the vehicle and listening preference.
What to know
This amplifier is part of the Prime R2 series and is described by the manufacturer as refined for easy setup with factory or aftermarket systems. Verify that speaker impedance and vehicle electrical capacity are compatible with the amplifier’s operating modes. Consult the owner’s manual for detailed specifications, wi…
Highlights
Key features
- 1 Year Warranty
- Variable Infrasonic Filter
- Class-D Topology
- Cast aluminum heat sink
- Features C.L.E.A.N. Set-up
- Balanced Differential Inputs with RCA Pass Through Outputs
- High Level Input Capable
- Auto-Sense bypass switch for vehicles with RAP (Retained Accessory Power)
- Variable Input Gain adjustment level
- Continuously Variable On Board Punch EQ
- Top Mounted Control Panel
- Short Circuit & Over Current Protection
Technologies
P.O.W.E.R.
Power supply circuit design that allows the amplifier to increase output power as voltage increases.
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
Class-D
High efficiency amplifier design that reduces current consumption from the charging system.
Patent: 8,712,066
C.L.E.A.N. Technology
Time and sophisticated test equipment have been replaced, with Rockford’s integrated level setting technology
MEHSA 4 (Maximum Efficiency Heat Sink Application)
MEHSA4 (Maximum Efficiency Heat Sink Application - gen. 4) is a proprietary process that yields a better heat
Balanced Differential Inputs
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
Rollback Protection
During demanding musical conditions, the amplifier can dynamically reduce demand to prevent stress on the output
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Specs
Specifications
25
| Number of Channels | 1 |
| Total Power (Sum of Rated Power) | 1200 Watts |
| Rated Power (RMS Continuous Power) | 400 Watts x 1 @ 4Ω 800 Watts x 1 @ 2Ω 1200 Watts x 1 @ 1Ω |
| Dynamic Power (PVC/PowerCube®) | 489 Watts x 1 @ 4Ω 889 Watts x 1 @ 2Ω 1389 Watts x 1 @ 1Ω |
| Bridgeable | No |
| Frequency Response | 20 Hz - 250 Hz |
| Input Sensitivity | Low-Level: 150 mV - 4 V High-Level: 450 mV - 12 V |
| Circuit Topology Class | Class-D |
| Efficiency (average) | > 80% |
| Total Harmonic Distortion (THD+Noise) | 4Ω: <1.0% 2Ω: <1.0% 1Ω: <1.0% |
| Signal Input | Low-Level: 2 RCA High-Level: 4-Pin Molex |
| Signal Output | Low-Level: 2 RCA (Pass-Thru active with RCA or Hi-Level input) |
| Tone Controls | 0 to +18 dB @ 45 Hz |
| Crossover Controls | Low-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth Infrasonic: 15 Hz - 40 Hz @ 12dB/Octave Butterworth |
| Remote Controls | Yes |
| Visual Indicators | POWER (Blue) / PROTECT (Red) C.L.E.A.N. IN (Red) C.L.E.A.N. OUT (Blue/Red) |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Compression Terminal Block |
| Speaker Wire Gauge | 8 AWG |
| Speaker Output Connector | Compression Terminal Block |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 200 A |
| Max. Current Draw (13.8V Sinewave) | 121 A |
| Dimensions (H x W x D) | 1.9" x 6.8" x 11.3" (4.9 cm x 17.3 cm x 28.5 cm) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
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