Rockford Fosgate TM400X4ad Power Marine 400 Watt Class-ad 4-Channel Amplifier

The Power TM400X4ad 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.

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
Marine grade two part epoxy coating on circuit boards
2 Year Warranty
Suggested Alternator
75 A
Input Sensitivity
150 mV to 12 V
Number of Channels
4
Total Power
(Sum of Rated Power)
400 Watts
CEA-2006 Compliant
CEA-2006 Power Rating
100W x 4 @ 4Ω
≤1.0% THD+N
Crossover Controls
High-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth
Low-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth
All-Pass: Yes
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
Speaker Output Connector
Front: 4-Pin Harness
Rear: 4-Pin Harness
Speaker Wire Gauge
16 AWG
Cooling
Dual Fan Cooled
Remote Controls
—
Circuit Topology Class
Class AD
Frequency Response
20Hz-20kHz +/-1dB
Dimensions (H x W x D)
1.6 x 4.3 x 8.3 (in.)
4.1 x 10.8 x 21.1 (cm)
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
Efficiency (average)
>75%
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
Max. Current Draw (13.8V Sinewave)
55 A
Recommended Fuse
(not included)
60 A
Operating Voltage
9 - 16 VDC
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 (-)
Signal Input
Front High/Low Level Input: 4-Pin harness
Rear High/Low Level Input: 4-Pin harness
Heat Sink Type
Extruded Aluminum
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
Dimensional Diagram

Average Current Draw (13.8V Music)
28 A