Power 400 Watt 4-Channel Amplifier T400-4

Amplifier Front View
Amplifier Three Quarter Beauty Shot
Amplifier Input and Output Side View
Amplifier Installation View
Amplifier Top View
Amplifier Right Side View
Amplifier Left Side View

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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Overview

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

  • 24dB/octave crossover
  • MOSFET output stage
  • 4 Gauge power/ground connectors
  • MOSFET power supply
  • 2/4 channel input switch
  • Audiophile grade speaker connections
  • 2-Year Warranty
Technologies
DSM

DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and ...

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Engineered In The USA

These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...

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DTM

Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.

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MEHSA3

MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

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NOMAD

NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...

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CTA-2006 Compliant

Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's ...

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Punch EQ2

Onboard equalizer with up to +18dB @ 45Hz and/or up to +12dB boost at 12kHz.

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TRANS•ana

Trans•ana is a Class A/B topology that simplifies the signal path of the amplifier allowing the ...

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TO-247 MOSFETs

(left-OLD | right-NEW)
Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more ...

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Specifications
Cta-2006 Compliant
Number of Channels
4
Total Power
(Sum of Rated Power)
400 Watts RMS
Rated Power
(RMS Continuous Power)
60 Watts x 4 @ 4-Ohm
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
2-Ohm x 2 Bridged Stable
Dynamic Power
(PVC/PowerCube®)
  84 Watts x 4 @ 4-Ohm 0° Res
139 Watts x 4 @ 2-Ohm 0° Res
272 Watts x 2 @ 4-Ohm Bridged
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/- 1dB
Input Sensitivity
150 mV to 4 V
Circuit Topology Class
Class A/B
Efficiency (average)
69% @ 4-Ohm
68% @ 2-Ohm
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
Signal Input
Front Low level: 1 RCA pair
Rear Low level: 1 RCA pair
Input Switch: 2CH / 4CH
Signal Output
n/a
Tone Controls
Front Channels - Punch EQ
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz

Rear Channels - Punch EQ
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Crossover Controls
Front High-Pass (HP): 50-500Hz 24dB/octave Butterworth
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
Remote Controls
Optional Remote Punch EQ
(overrides rear channel built-in Punch EQ)
Visual Indicators
Power
Thermal
Protect
Power Wire Gauge
8 AWG to 4 AWG
Power Input Connector
Block
Speaker Wire Gauge
8 AWG to 18 AWG
Speaker Output Connector
Screw terminal barrier strip
Cooling
Convection
Heatsink
Operating Voltage
9 - 16 VDC
Recommended Fuse
(not included)
60 A
Average Current Draw (13.8V Music)
30 A
Max. Current Draw (13.8V Sinewave)
60 A
Suggested Alternator
75 A
Included In The Box
Dimensions (H x W x D)
2.14 x 8.14 x 13.66 (in)
5.42 x 20.68 x 34.69 (cm)
Shipping Weight
11.90 Lbs. (5.39 Kg.)
Compatibility
Support

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.


Accessories Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.

This allows FRONT channels to run STEREO speakers while REAR channels run WOOFERS.



Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6



Wiring Diagram #7



Wiring Diagram #8



Wiring Diagram #9



Wiring Diagram #10

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Wiring Kits

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!

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