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Rockford Fosgate Power T400X4ad

400W RMS Class AD Power Series 4 Channel Car Amplifier

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• 100 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class AD 2 ohm Stable 4-Channel Amplifier

Learn more about the t400x4ad
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$519.99

 with warranty

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Product Highlights


• 100 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class AD 2 ohm Stable 4-Channel Amplifier

Description


Rockford Fosgate brand icon

Authorized dealer


T400X4AD

The Power T400X4ad 400 Watt 4-channel ultra-compact, amplifier is built on Rockford Fosgate’s proprietary Class-AD technology, featuring Constant Power to produce the same output at both 4-Ohm and 2-Ohm impedances. Flexible vehicle integration enabled through low-level and high-level inputs with auto turn-on. Top mounted controls allow easy access to built-in crossover and C.L.E.A.N. input/output clip detection circuits. The 3-stage thermal lock extrusion with dual fan forced induction keeps everything cool while real-time thermal/protection schemes safeguard the amplifier.


Product Details:

  • Power Series Class AD 2 ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 100 watts x 4 channel
    • 2 ohm: 100 watts x 4 channel
    • Bridged: 200 watts x 2 channel @ 4 ohm
  • Total power output: 400 watts
  • Power, protect, thermal, input, and output clip LED visual indicators
  • Speaker-level (high-level) inputs
  • 8 AWG power/ground connector w/ upgraded RCA connectors
  • Remote-Out feature when using high level inputs
  • C.L.E.A.N. input/output clip detection and indicator LEDs
  • 2/4 channel input switch
  • Top mounted controls
  • Differential inputs with high level auto turn-on feature
  • Dual fan cooled and extruded heat sinks
  • Real time thermal sensing
  • Discrete surface mount technology
  • Input sensitivity: 150mV - 12 volts
  • Frequency Response: 20 - 20000 Hz
  • Total Harmonic Distortion (THD): <1%
  • Signal to Noise Ratio: 90 dB
  • Variable high-pass filter: 50 - 250 Hz
  • Variable low-pass filter: 50 - 250 Hz
  • Variable Bass Boost: 0 - 18 dB
  • Fuse Rating: 60A
  • 8 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 4.3" L x 8.3" W x 1.6" H
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty
  • MFR #: T400X4AD

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Compact Design
Fan Cooled
Speaker Level Inputs
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
100 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
128 watts x 4 channel
Peak Power @ 2 ohms
152 watts x 4 channel
Bridged Peak/Max Power
290 watts x 2 channel
Amplifier Specifications
Series
Power Series
Amplifier Class
AD
Number of Channels
4-Channel
Total Peak Power Output
608 watts
Total RMS Power Output
400 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
20 - 20000 Hz
THD at Rated RMS Power
<1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Signal-to-Noise Ratio
90 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
No
Fuse Rating
60A x 1 
Total Fuse Rating
60
Strappable
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
150mV - 12 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
Quick start guide
WITB: Amplifiers
Amplifier
High-level input wiring harness w/ molex connectors (2)
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

T400X4AD

Weight:

3.00lbs

Internal SKU:

t400x4ad

Internal Product ID:

78097

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews



5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
4.5
Features
4.5
Design
4.5
Usability
4.5

Customer Reviews

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SMALL AMP WITH FAN. WORKS GREAT

wow, this is a tiny amp and it pushes 100 RMS per channel at 2 ohms. Rockford also makes a mono amp the same size. Perfect for small trunks. I have both amps, crossover, and a lc8i under where the spare should be. Happy I got it. Sonic Electronix has a great deal.

By 2017 camaro 1ss 1le on April 9, 2020 Checkmark Icon Verified purchase

32

found this helpful.

By Anonymous Shopper on September 17, 2023

26

found this helpful.

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