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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.
The Power T400X4ad 400 Watt 4-channel ultra-compact, amplifier is built on Rockford Fosgates 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.
Features:
The Power T400X4ad 400 Watt 4-channel ultra-compact, amplifier is built on Rockford Fosgates 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.
Features:
- 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
- 4 Ohm bridged capable
- 2/4 channel input switch
- 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
- 2-Year Warranty
- 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 Input:
- Front High/Low Level Input: 4-Pin harness
- Rear High/Low Level Input: 4-Pin harness
- Tone Controls:
- Treble: 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
- 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
- Power Wire Gauge: 8 AWG
- Power Input Connector:
- Detachable Compression Terminal
- Replacement 1040-57997
- Speaker Wire Gauge: 16 AWG
- Speaker Output Connector:
- Front: 4-Pin Harness
- Rear: 4-Pin Harness
- Cooling: Dual Fan Cooled
- Heatsink: Extruded Aluminum
- 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):
- 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.)
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Since day one, Rockford Fosgate® spearheaded the car audio revolution. Nothing's changed. Rockford Fosgate is still the global leader in audio innovation, design and engineering, delivering an experience of passion through sound to drivers, boaters, motorcyclists and off-road enthusiasts.
Rockford Corporation offers a limited warranty on Rockford Fosgate products:Length of Warranty
- All Speakers – 1 Year
- Signal Processors – 1 Year
- PRIME Amplifiers – 1 Year
- PUNCH Amplifiers – 1 Year
- POWER Amplifiers – 2 Years
- Any Factory Refurbished Product – 90 days (receipt required)
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