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Delivers very clean, accurate sound with abundant power and headroom for demanding speakers; performs reliably under extended, high‑volume use when gains and cooling are managed.
Buyer confidence
86%Highlights
- 2-Year Warranty
- 24dB/octave crossover
- MOSFET power supply
- 2/4 channel input switch
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 1000 Watts RMS
- Rated Power (RMS Continuous Power)
- 250 Watts x 4 @ 4-Ohm 250 Watts x 4 @ 2-Ohm 250 Watts x 4 @ 1-Ohm 500 Watts x 2 @ 4-Ohm Bridged 500 Watts x 2 @ 2-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 270 Watts x 4 @ 4-Ohm 0° Res 327 Watts x 4 @ 2-Ohm 0° Res 365 Watts x 4 @ 1-Ohm 0° Res 619 Watts x 2 @ 4-Ohm Bridged 654 Watts x 2 @ 2-Ohm Bridged
- Bridgeable
- Yes
- Frequency Response
- 20Hz to 20kHz +/-1dB
- Input Sensitivity
- 150 mV to 5 V
- Circuit Topology Class
- Class AD
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 1000 Watts RMS
- Rated Power (RMS Continuous Power)
- 250 Watts x 4 @ 4-Ohm 250 Watts x 4 @ 2-Ohm 250 Watts x 4 @ 1-Ohm 500 Watts x 2 @ 4-Ohm Bridged 500 Watts x 2 @ 2-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 270 Watts x 4 @ 4-Ohm 0° Res 327 Watts x 4 @ 2-Ohm 0° Res 365 Watts x 4 @ 1-Ohm 0° Res 619 Watts x 2 @ 4-Ohm Bridged 654 Watts x 2 @ 2-Ohm Bridged
Highlights
Overview- 2-Year Warranty
- 24dB/octave crossover
- MOSFET power supply
Review highlights
Based on customer reviewsRockford Fosgate Power 1,000 Watt Class‑AD Full‑Range 4‑Channel Amplifier — clean, high‑power performance
Delivers very clean, accurate sound with abundant power and headroom for demanding speakers; performs reliably under extended, high‑volume use when gains and cooling are managed.
What buyers praise
- Very clean, accurate sound reproduction
- High power and headroom for demanding components
What to watch for
- Can run warm in use — allow space for passive cooling (reviewers recommend about 1" clearance) or add active cooling
Overview
The Rockford Fosgate T1000-4ad is a full-size, 4-channel Class-AD amplifier that blends Class-A sound characteristics with Class-D efficiency. It delivers up to 1000 watts total in a full-range configuration and includes features such as dynamic switching frequency control and Constant Power circuitry to optimize output across a range of impedances.
Best for
- High-fidelity full-range car audio systems
- Multi-speaker installations that need efficient, high power
- Systems requiring support for low-impedance speaker loads (4Ω/2Ω/1Ω capable)
- Audio enthusiasts who want Class-A sound quality with Class-D efficiency
Key points
- 1000-Watt class, 4-channel full-range amplifier
- Class-AD platform: combines Class-A sound traits with Class-D efficiency
- 4Ω / 2Ω / 1Ω capable for low-impedance speaker support
- Dynamic switching frequency control and Constant Power circuitry
- Differential inputs and Punch EQ2 for signal control
- Technologies: MEHSA3, NOMAD, DSM
Fit and use
Use as a four-channel full-range amplifier for car audio systems. Pair with speakers rated for the amplifier’s power and impedance capabilities. Ensure the vehicle’s electrical system, wiring, and fusing are appropriate for a high-power amplifier and verify impedance compatibility before operation.
What to know
This amplifier combines design elements from Class-A and Class-D topologies to balance fidelity and efficiency. It supports low-impedance loads (down to 1Ω) and is CTA-2006 compliant. For safe, reliable performance, confirm system wiring, power/ground connections, and speaker impedance match the amplifier’s requiremen…
Highlights
Key features
- 2-Year Warranty
- 24dB/octave crossover
- MOSFET power supply
- 2/4 channel input switch
- 4 Gauge power/ground connectors
- Audiophile grade speaker connections
- RCA pass-thru outputs
- MOSFET output stage
- 4Ω/2Ω/1Ω Capable
- MEHSA3
- Differential Inputs
- Punch EQ2
More info
Manufacturer details
The Power T1000-4ad is a 4-channel amplifier that combines the sound quality characteristics of a Class-A design with the efficiency of a Class-D in one remarkable package, offering high fidelity in a full-range configuration.
Additional details
The T1000-4ad combines sound quality characteristics of Class-A designs with efficiency of a Class-D in one remarkable package. Superior sound quality is possible through the implementation dynamic switching frequency control. The addition of Constant Power circuitry produces optimized output at a range of impedances. Rockford Fosgate created Class-bd for brute power to run low frequency subwoofers, and now Class-ad offers high fidelity in a full-range configuration.
Technologies
4Ω/2Ω/1Ω Capable
Allows the amplifier to produce the same power into either a 4-ohm, 2-ohm or 1-ohm speaker load. Works with
MEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life
Differential Inputs
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts
Punch EQ2
In the early 70's, Jim Fosgate studied the acoustical properties of automobiles. Utilizing a real-time analyzer
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
Patent: 7,994,857
Constant Power
Music and speakers have a dynamic relationship. As the frequency of music varies, so does the impedance of the
Showing the main technologies for this product.
Specs
Specifications
28
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 1000 Watts RMS |
| Rated Power (RMS Continuous Power) | 250 Watts x 4 @ 4-Ohm 250 Watts x 4 @ 2-Ohm 250 Watts x 4 @ 1-Ohm 500 Watts x 2 @ 4-Ohm Bridged 500 Watts x 2 @ 2-Ohm Bridged |
| Dynamic Power (PVC/PowerCube®) | 270 Watts x 4 @ 4-Ohm 0° Res 327 Watts x 4 @ 2-Ohm 0° Res 365 Watts x 4 @ 1-Ohm 0° Res 619 Watts x 2 @ 4-Ohm Bridged 654 Watts x 2 @ 2-Ohm Bridged |
| Bridgeable | Yes |
| Frequency Response | 20Hz to 20kHz +/-1dB |
| Input Sensitivity | 150 mV to 5 V |
| Circuit Topology Class | Class AD |
| Efficiency (average) | 84.1% @ 4-Ohm 81.6% @ 2-Ohm 81% @ 1-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% |
| Signal Input | Front Channels: 1 RCA pair Rear Channels: 1 RCA pair Input Switch: 2CH / 4CH |
| Signal Output | 1 RCA pair |
| Tone Controls | Front Channels: Treble: 0dB to +12dB @ 12kHz Bass: 0dB to +18dB @ 45Hz Rear Channels: Treble: 0dB to +12dB @ 12kHz Bass: 0dB to +18dB @ 45Hz Function depends upon crossover setting (LP/AP/HP) |
| Crossover Controls | Front Channels: High-Pass (HP): 50Hz-500Hz @ 24dB/octave Butterworth Low-Pass (LP): 50Hz-500Hz @ 24dB/octave Butterworth Rear Channels: High-Pass (HP): 50Hz-500Hz @ 24dB/octave Butterworth Low-Pass (LP): 50Hz-500Hz @ 24dB/octave Butterworth |
| Remote Controls | Optional Remote PEQ (overrides rear channel built-in Punch EQ) |
| Visual Indicators | Power (Blue LED) Thermal (Red LED) Protect (Yellow LED) |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Block |
| Speaker Wire Gauge | 8 AWG to 16 AWG |
| Speaker Output Connector | Block |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 150 A |
| Average Current Draw (13.8V Music) | 60 A |
| Max. Current Draw (13.8V Sinewave) | 120 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 2.14 x 8.14 x 14.91 (in) 5.42 x 20.68 x 37.86 (cm) |
| Shipping Weight | 14.45 Lbs. (6.55 Kg.) |
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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
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
Popular Questions
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