Power 400 Watt 4-Channel Amplifier T400-4
Power 400 Watt 4-Channel Amplifier T400-4
The Power T400-4 is a 4-channel amplifier capable of producing 100 Watts into each of its four channels at 2-Ohms. The T400-4 can run a 4-way full-range system or use component speakers on the front with subwoofers on the rear.
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The T400-4 amplifier is perfect for front/rear fading stereo systems or when dedicated amplification is required between front stage speakers and rear subwoofer(s). Thanks to the Dynamic Thermal Management, the small chassis design insures it can be installed in any location – like under front seats.
FEATURES AT A GLANCE
- MOSFET output stage
- 24dB/octave crossover
- MOSFET power supply
- 4 Gauge power/ground connectors
- Audiophile grade speaker connections
- 2/4 channel input switch
- 2-Year Warranty
Trans•ana is a Class A/B topology that simplifies the signal path of the amplifier allowing the ...
Learn moreTRANSana
Trans•ana is a Class A/B topology that simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality.
Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.
Learn moreDTM
Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.
Punch EQ2
Onboard equalizer with up to +18dB @ 45Hz and/or up to +12dB boost at 12kHz.
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.
Learn moreMEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
Learn moreNOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances.
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Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more ...
TO-247 MOSFETs
(left-OLD | right-NEW)
Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps.
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's ...
Learn moreCTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.
DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and ...
Learn moreDSM
DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...
Learn moreEngineered In The USA
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered this fanatic product. This statement illustrates our commitment to being Designed and Engineered in the U.S.A.
Differential inputs eliminate noise picked up by signal cables resulting in clean signal transfer.
Learn moreDifferential Inputs
Differential inputs eliminate noise picked up by signal cables resulting in clean signal transfer.
(Sum of Rated Power)
(RMS Continuous Power)
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
2-Ohm x 2 Bridged Stable
(PVC/PowerCube®)
139 Watts x 4 @ 2-Ohm 0° Res
272 Watts x 2 @ 4-Ohm Bridged
68% @ 2-Ohm
2-Ohm: <1.0%
Rear Low level: 1 RCA pair
Input Switch: 2CH / 4CH
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Rear Channels - Punch EQ
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Front Low-Pass (LP): 50-500Hz 24dB/octave Butterworth
Rear High-Pass (HP): 50-500Hz 24dB/octave Butterworth
Rear Low-Pass (LP): 50-500Hz 24dB/octave Butterworth
(overrides rear channel built-in Punch EQ)
Thermal
Protect
(not included)
5.42 x 20.68 x 34.69 (cm)
Knowledge Base Articles
- Extended warranty on Rockford Fosgate amplifiers
- 2007 Power Series Amplifiers - Owner's Manual
- 2007 PEQ Punch EQ Remote Install
- 2007 PEQ Punch EQ - Product Advisory
- Using two PEQ bass knobs on a dual amp system - Product Advisory
- 2010 Power Multi-Channel Amplifiers - owner's manual
- RFI2SW & RFIF2SW Speaker Line To RCA Adapter - product advisory
Show all Knowledge Base topics
Ask Our Experts
Return Authorization
Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.
ARE YOU ENGINEERED TO ROCK?
Get a 1-Year extended amplifier warranty when using a matching Rockford Fosgate installation kit.
We want you to get the maximum performance and reliability from your Rockford Fosgate amplifier. We're so certain using the right cables make a difference, we'll give you and additional 1-Year amplifier warranty when using a matching installation kit!
- 1 Purchase a Rockford Fosgate Punch or Power amplifier.
- 2 Add the correct amplifier installation kit.
- 3 Get an additional 1 year amplifier warranty FREE!
Reviews
Happy Customer
Amazing sound quality as always with Rockford Fosgate.You can jam all day long and not have to worry about hurting the amp like you do with cheap amplifiers.
5.0
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