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Rockford Fosgate :: T400X4ad :: $499.99

Rockford Fosgate T400X4ad

Item# 38761

400 Watt Class-AD 4-Channel Amplifier

Sorry, this product is no longer available.

The Power T400X4ad is an ultra-compact, high efficiency 400 Watt 4-channel amplifier. Features multi-impedance Constant Power, input/output clip detection, top mounted controls and dual fan forced induction cooling. Perfect for hybrid, electric, small cars, trucks, motorcycles, and side-by-side UTVs. 


  • Rockford Fosgate proprietary Class-AD technology
  • 4/2 Ohm muti-impedance Constant Power
  • Differential inputs with high level auto turn-on feature
  • 8 AWG power/ground connector w/ upgraded RCA connectors
  • Remote-Out feature when using high level inputs
  • 2/4 channel input switch
  • 4 Ohm bridged capable
  • C.L.E.A.N. input/output clip detection and indicator LEDs
  • Top mounted controls
  • Dual fan cooled
  • Real time thermal sensing
  • Dual extruded heat sinks
  • Discrete surface mount technology
  • Sku: T400X4-ad
*Warranty: 1 Year warranty.
1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.

Do you own this product?  Write a review

   Jay From AZ
I just installed this amp and its very small, but packs a lot of power! My birth sheet said 136 rms on the front channels and 142 rms on the rear channels. The box said 100s at 4 and 2 ohm. It has that constant power technology similar to the BDCP amps from Rockford. I have 2 sets of t1 6x8's in my ford five hundred, and I'm pushing them with 50+ watts over what the speakers are rated at (80rms) they sound great with no distortion. The clipping indicator works great! It makes setting your gains properly easy as hell. No engine noise. Clean signal. Tons of power. This amp is worth the price.

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