Rockford Fosgate Power T400X4ad


Recommended Fuse 
(not included)
60 A
Operating Voltage
9 - 16 VDC
Input Sensitivity
150 mV to 12 V
Number of Channels
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
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 
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)
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