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Rockford Fosgate T1000-4AD

1000W 4-Channel Class AD Power Series Constant Power Amplifier

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List price $1179.99

$799.99

with warranty

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  • Power Series 4-Channel Class A/D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 250 watts x 4 chan.
    • 2 ohms: 250 watts x 4 chan.
    • 1 ohm: 250 watts x 4 chan.
    • Bridged, 4 ohms: 500 watts x 2 chan.
    • Bridged, 2 ohms: 500 watts x 2 chan.
  • Dynamic Power Rating:
    • 4 ohms: 290 watts x 4 chan.
    • 2 ohms: 290 watts x 4 chan.
    • 1 ohm: 290 watts x 4 chan.
  • Class AD technology allows the amplifier to produce more power with less current draw
  • Constant Power delivers maximum power output regardless of varying impedance loads
  • Discrete surface mount circuits decrease cross-talk, lowers temperatures and improves efficiency
  • Dynamic thermal management (DTM) evenly distributes excess heat across the entire amplifier
  • 3rd Generation MESHA technology reduces MOSFET temperatures and increases durability while lowering distortion
  • NOMAD real time computer protects this amplifier from shorting wires and low speaker impedances
  • Remote bass level input (remote level control sold separately)
  • LED power (blue), thermal (red) and protect (yellow) indicators
  • Variable Bass Boost (0 to +18 dB bass boost at 45 Hz)
  • Variable Treble Boost (0 to +12 dB bass boost at 12,000 Hz)
  • 4/3/2 channel operation
  • Preamp pass-thru RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty cast aluminum alloy convection cooled heatsink for extreme heat dissipation
  • Differential inputs (Balanced) eliminate noise picked up by signal cables
  • Nickel-plated RCA level inputs
  • Nickel-plated clamp wire terminals
  • Input sensitivity:
    • Low level: 150mV-5V
  • Efficiency average:
    • 84.1% @ 4-Ohm Full Power
    • 81.6% @ 2-Ohm Full Power
    • 81.0% @ 1-Ohm Full Power
  • Variable high-pass filter (50-500 Hz, 24 dB/octave Butterworth)
  • Variable low-pass filter (50-500 Hz, 24 dB/octave Butterworth)
  • Damping factor: >200
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20,000 Hz
  • Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Sonic Electronix.com warranty
Note: Previous (prior to 2007) Punch Bass and Para-Punch remotes will not work with this amplifier.

Product History:

Rockford Fosgate T1000-4AD thumbnail
(newest, current model)
Rockford Fosgate T1000-4 thumbnail
(previous model, replaced by Rockford Fosgate T1000-4AD)

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

250 watts x 4 channels
RMS Power @ 2 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

250 watts x 4 channels
RMS Power @ 1 ohm

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 1 ohm, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

250 watts x 4 channels
Bridged RMS Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the RMS power created once an amplifier is bridged.

500 watts x 2 channels
Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison.

290 watts x 4 channels

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
Power (Rockford Fosgate)
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

AD
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
4
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

1160 watts
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

1000 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
4 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
1 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
2 ohms
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
No
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
1 pair
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 500 Hz
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 500 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
95 dB
Channel Separation
Also referred to as crosstalk. The amount of interference on one stereo channel caused by the leaking of the other stereo channel. The higher the rating in decibels (dB), the better the Channel Separation.
75 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 18 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Optional (Accessory required and sold separately)
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
No
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
Fused Externally
CEA-2006 Compliant
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

Yes

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
90%
4 Star
10%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
4.6
Features
4.9
Design
4.9
Usability
4.8

Gary

Baltimore, Md

Overall
Durability
Value
Features
Design
Usability

rock solid

January 13, 2014

This replaced my zapco studio 500(mid-bass)+studio 300x(mid-range) which have held up well for 15 years. The rockford gave me the extra headroom/power needed to Really get the up front bass power to make the system blend smoothly with authority! The amp is quite heavy and ratings are conservative. The amp does get quite warm though due to the small footprint of the amp. Overall very happy so far.

0 of 0 found this helpful

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carcrz

rex,GA

Overall
Durability
Value
Features
Design
Usability

PUNCH 1000-4AD

October 24, 2013

this amp is bad. it is pushing the hell out of my door speakers and still got more power to give

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junoir

laveen,az

Overall
Durability
Value
Features
Design
Usability

the best

October 10, 2013

i just ordered this amp today im excited cuzz i know its going to do the work you get what you pay for

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Tévadany

France

Overall
Durability
Value
Features
Design
Usability

Top amplifier!

September 20, 2013

The best amplifier for me! A clear sound and more power! Thank you Sonic Electronix for your professional!

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Joe

los angeles

Overall
Durability
Value
Features
Design
Usability

bad ass

September 15, 2013

Drivin four infinity perfect 6.1's two per front door birth sheet says 380 x 4. Money well spent.

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.iceman

spokane.wa

Overall
Durability
Value
Features
Design
Usability

power power power

October 21, 2012

These guys under rate the power on this amp ive blown three sets of door speakers and on third set of 6x9s by the way i run 2 in each door and four 6x9s in the rear at the same time im now runing 6.5 pa eminaters 500w each in doors they barley deal with it i will end up doing some type of guitar/pa amp 12s in the rear this amp goes well with the 1500 constant power mono block powering subs in the trunk which i also bought through sonic electronix.

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Nick B.

Dalzell, SC

Overall
Durability
Value
Features
Design
Usability

Excellent single amp solution

January 4, 2012

I bought this amp to replace my JL HD600/4 and HD750/1. I had the HD600/4 bridged for the SPZ60's running passive in coax mode. Now, all I need is this one amp to run everything. It sounds just as good and I only need one amp now and it is a lot less money. Also, I have dual SRX10's in the back which I run bridged off the rear channels of this amp. This is a very heavy amp and is rated at 1400 watts so it needs a 150 amp fuse. I listen to rock and death metal and I would highly recommend this amp. The only thing about this amp are the controls are on the bottom, my JL amp controls were on the top. They were easier to get to than this amp. Just set the controls before installing. Hope this info helps someone out there who is on the edge about buying this amp.

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SKO

westley chapel, FL

Overall
Durability
Value
Features
Design
Usability

work horse

November 16, 2011

I have 4 o2's 8inch and 4 6.5 o2's running off of this 1 amp played daily hard and not once have i had any broblems.

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CHRISTIAN

Los Angeles, CA

Overall
Durability
Value
Features
Design
Usability

I LOVE IT BEST 4 CHANNEL AMP EVER

September 10, 2011

This amp is a monster i have 8 speakers hooked up to the amp and the sound quality is beautiful the birth sheet says 1414 rms 350 something per channel the freaking kool you get more watts for your dollar.

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arturo44

Mexico

Overall
Durability
Value
Features
Design
Usability

woooww

April 22, 2011

This amp is really super powerful blows you bring speakers 8 speakers connected Pioneer Kevlar and sound very strong and very clear and half the amp gain highly recommend it as the no 4 channels

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Accessory Tools and Products

Accessories added

NVX XKIT44 4-Gauge 4-Channel Wiring Kit

4-Channel 100% OFC Complete True 4 Gauge Amp Kit with RCA Cables and Speaker Wire

Your Price $99.99

Rockford Fosgate RFK4 4-Gauge Wiring Kit

Get a matching Fosgate wiring kit for your new Fosgate amplifier! Don't forget the RCA's!

Your Price $62.99

NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

Your Price $79.99

Kicker Big 3 Package 1/0 Gauge Big 3 Upgrade Kit

Get all you need including wire cutters to upgrade your power and ground wire.

Your Price $149.99

Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

Your Price $39.99

StreetWires FB4

4 AWG / 4 Gauge Firewall Bushing

Your Price $6.95

StreetWires FB0

1/0 Gauge Firewall Bushing

Your Price $6.95

NVX XDBU4 - Top of the Line!

Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs

Your Price $17.99

Professional Installation for your Car Power Amplifier

Covers labor charges through our professional installer network.

Your Price $89.99

StreetWires ZN9 Series Interconnect Cable

16.4 ft. of 4-Channel RCA Cable with Rhodium-plated contacts and ZeroNoise construction for clear signal transfer!

Your Price $99.95

NVX XWS1225 12 AWG Speaker Wire

25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

Your Price $39.99

NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

Your Price $13.99

Belva BBSW127 12 AWG Speaker Wire

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $14.99

Belva BBSW167 16 AWG Speaker Wire

16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $12.99

Scosche SPL Meter SPL1000F

Handheld boomSTICK measures your SPL range from 60 to 135 dB

Your Price $21.99

AutoSound 2000 CD-102

High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.

Your Price $11.99

AutoSound 2000 CD-104

Audiophile reference series test disc for evaluation of all audio components.

Your Price $11.99

XIX2025 Strapping RCA

0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors

Your Price $12.99

Product Summary

Manufacturer

Model Number

T1000-4AD

UPC

780687329976

Weight

13.50lbs

Internal SKU

t10004ad

Internal Product ID

34753

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Rockford Fosgate T1000-4AD