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Rockford Fosgate Power T400X4ad 400W 4 Channel Amplifier

Available in store only and subject to our fitment (fitment cost not included).

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.

SKU: T400X4ad Category: Brand:
Information
Specifications
Recommended Fuse 
(not included)
60 A
Operating Voltage
9 - 16 VDC
Input Sensitivity
150 mV to 12 V
Number of Channels
4
Crossover Controls
High-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth 
Low-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth 
All-Pass: Yes
Signal Input
Front High/Low Level Input: 4-Pin harness 
Rear High/Low Level Input: 4-Pin harness
Speaker Output Connector
Front: 4-Pin Harness 
Rear: 4-Pin Harness
Speaker Wire Gauge
16 AWG
Heat Sink Type
Extruded Aluminum
Cooling
Dual Fan Cooled
Visual Indicators
Power: Blue LED 
Protect: Red LED 
Input Clip: Red LED3 
Output Clip: Blue/Violet/Red LED1,2,3 

LED Color Legend: 
1BLUE: <0.5% THD 
2VIOLET: 1% THD 
3RED: 10%+ THD

Dimensions (H x W x D)
1.6 x 4.3 x 8.3 (in.) 
4.1 x 10.8 x 21.1 (cm)
Efficiency (average)
>75%
Average Current Draw (13.8V Music)
28 A
Max. Current Draw (13.8V Sinewave)
55 A
Suggested Alternator
75 A
Rated Power 
(RMS Continuous Power)
100 Watts x 4 @ 4-Ohm 
100 Watts x 4 @ 2-Ohm 
200 Watts x 2 @ 4-Ohm Bridged
Bridgeable
Yes 
Front Terminals: Left (+) Right (-) 
Rear Terminals: Left (+) Right (-)
Tone Controls
Treble: 0 to +14 dB @ 12.5 kHz 
Bass: 0 to +18 dB @ 45 Hz
Signal Output
Power Input Connector
Detachable Compression Terminal
Power Wire Gauge
8 AWG
Remote Controls
Circuit Topology Class
Class AD
Frequency Response
20Hz-20kHz +/-1dB
Shipping Weight
3.4 Lbs. (1.54 Kg.)
Dynamic Power 
(PVC/PowerCube®)
128 Watts x 4 @ 4-Ohm 
152 Watts x 4 @ 2-Ohm 
290 Watts x 2 @ 4-Ohm Bridged
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0% 
2-Ohm: <1.0%
Total Power 
(Sum of Rated Power)
400 Watts
CEA-2006 Compliant
CEA-2006 Power Rating
100W x 4 @ 4Ω
≤1.0% THD+N
Dimensional Diagram
Damping Factor
Signal-to-Noise (CEA)
>90 dB
Channel Separation
>60 dB
Common Mode Rejection
>60 dB

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