The Rockford Fosgate 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
 
 
Rated Power @ 4 Ohms
100W x 4
 
Rated Power @ 2 Ohms
100W x 4
 
Rated Power @ 4 Ohms Bridged
200W x 2
 
Dynamic Power @ 4 Ohms
128W x 4
 
Dynamic Power @ 2 Ohms
152W x 4
 
Dynamic Power @ 4 Ohms Bridged
290W x 2
 
Frequency Response
20 Hz - 20 kHz
 
Selectable Input Switch
Yes (2/4)
 
Filters
High/Low/All Pass
 
Crossovers
50 - 250 Hz @ 12 dB/Octave
 
LED Clipping Indicators
Yes
 
Recommended Power Wire
4 AWG
 
Dimensions
1.6" x 4.3" x 8.3"