The Power T400X4ad 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
Specifications
- Number of Channels: 4
- Total Power (Sum of Rated Power): 400 Watts
- Rated Power (RMS Continuous Power): 100 Watts x 4 @ 4-Ohm, 100 Watts x 4 @ 2-Ohm, 200 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®): 128 Watts x 4 @ 4-Ohm, 152 Watts x 4 @ 2-Ohm, 290 Watts x 2 @ 4-Ohm Bridged
- Bridgeable: Yes, Front Terminals: Left (+) Right (-), Rear Terminals: Left (+) Right (-)
- Frequency Response: 20Hz-20kHz +/-1dB
- Input Sensitivity: 150 mV to 12 V
- Circuit Topology Class: Class AD
- Efficiency (average): >75%
- Total Harmonic Distortion (THD+Noise): 4-Ohm: <1.0%, 2-Ohm: <1.0%
- Signal InputFront High/Low Level Input: 4-Pin harness, Rear High/Low Level Input: 4-Pin harness
- Signal Output: —
- Tone ControlsTreble: 0 to +14 dB @ 12.5 kHz, Bass: 0 to +18 dB @ 45 Hz
- Crossover Controls: High-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth, Low-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth, All-Pass: Yes
- Remote Controls: —
- Visual IndicatorsPower: 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
- Power Wire Gauge: 8 AWG
- Power Input Connector: Detachable Compression Terminal
- Speaker Wire GaugeL 16 AWG
- Speaker Output Connector: Front: 4-Pin Harness, Rear: 4-Pin Harness
- Cooling: Dual Fan Cooled
- Operating Voltage: 9 - 16 VDC
- Recommended Fuse (not included): 60 A
- Average Current Draw (13.8V Music):28 A
- Max. Current Draw (13.8V Sinewave): 55 A
- Suggested Alternator: 75 A
- Dimensions (H x W x D): 4.1 x 10.8 x 21.1 (cm)
- Shipping Weight: 1.54 Kg