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Audiobahn A4002T

2-channel car amplifier
100 watts RMS x 2

Item # 037A4002T

If you want Audiobahn performance in a smaller package, check out the Intake series amps! A built-in air intake and...

Find what Fits your car

If you want Audiobahn performance in a smaller package, check out the Intake series amps! A built-in air intake and...

Discontinued item

Item # 037A4002T

About the Audiobahn A4002T

If you want Audiobahn performance in a smaller package, check out the Intake series amps! A built-in air intake and a cooling fan ensures that these compact workhorses will stay cool through hours of heavy use. The 2-channel A4002T pumps out 100 watts RMS per channel of MOSFET-fueled Class AB power to your speakers, or 400 watts in bridged mode for your subwoofer.

If you want Audiobahn performance in a smaller package, check out the Intake series amps! A built-in air intake and a cooling fan ensures that these compact workhorses will stay cool through hours of heavy use. The 2-channel A4002T pumps out 100 watts RMS per channel of MOSFET-fueled Class AB power to your speakers, or 400 watts in bridged mode for your subwoofer.

You get the precise sonic control that you expect from Audiobahn. Variable high- and low-pass crossovers trim unwanted frequencies to adapt the amp for a variety of applications. You can improve the efficiency of your speaker system by adjusting the subsonic filter (variable from 20 to 50 Hz) to block low frequencies that your speakers can't reproduce. Switch on the bass boost to bring on a bass-quake!

Like to be in control? The optional remote-mount digital voltmeter lets you keep an eye on power levels from the driver's seat, while the optional wired remote bass boost provides variable control over your low-frequency punch.

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Product highlights:

  • 100 watts RMS x 2 at 4 ohms
  • 200 watts RMS x 2 at 2 ohms
  • 400 watts RMS x 1 bridged output
  • stereo or bridged mono output
  • Tri-way capable (Tri-Way crossover required)
  • MOSFET power supply
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 40-amp fuse
  • 50-750 Hz high-pass/50-120 Hz low-pass crossover, 18 dB/octave
  • 18 dB bass boost at 50 Hz (switchable on/off)
  • variable (20-50 Hz) subsonic filter
  • preamp outputs
  • cooling fan
  • cobalt blue illumination
  • speaker- and preamp-level inputs
  • 11-5/16"W x 2-3/8"H x 10-7/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # A4002T

What's in the box:

  • 2-channel amplifier with one 40-amp fuse inserted into the chassis
  • One 11" speaker-level input harness
  • One 3mm Allen wrench
  • One 3/32" Allen wrench
  • 4 Self-tapping screws
  • 2 White gloves
  • Operating Instructions
  • Warranty Information/Product Registration Card
  • One 11-3/4" x 3-3/4" window sticker
  • One 12-1/4" x 1-1/2" window sticker
  • Transworld MOTOcross subscription special offer

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Features
Inputs and Outputs Notes

Features

Class A/B MOSFET Power Amplifier: This is a Class A/B amplifier that uses MOSFET devices for its amplification stage and power supply.

High-gloss Chrome-plated Finish: This amplifier has a high-gloss chrome-plated finish. A pair of white cotton gloves is included with the amplifier to prevent fingerprint smudges when handling and mounting the amp.

Cooling Fan: This amp has a built-in air intake and a cooling fan on top, ensuring cool, reliable operation.

Variable Subsonic Filter: The subsonic filter (variable from 20Hz to 50Hz) allows the amplifier to block ultra-low frequencies that your speakers can't reproduce, improving the efficiency of your speaker system.

Internal Crossover: The internal crossover can be set for low-pass, high-pass, or full-range operation. In low-pass mode, the crossover is adjustable from 50Hz to 120Hz. In high-pass mode, the crossover is adjustable from 50Hz to 750Hz. In both modes, the crossover has a slope of 18dB/octave.

Bass Boost: The bass boost switch allows you to select a +18dB gain in bass output, centered at 50Hz. If you connect the optional ABR-100T remote bass boost control, the gain is adjustable from 0dB to +18dB.

Soft-Start Circuitry: The amplifier automatically turns on a few seconds after you turn your vehicle's ignition switch to ACC or ON. 

Optional Digital Voltmeter: This amp can be used with an the optional ADM-100T remote-mount digital voltmeter.

Protection Circuitry: This amp has the following protection circuitry:

  • Thermal: shuts off the amp when the operating temperature is too high
  • Input Overload: shuts off the amp as a result of low voltage or over-voltage
  • Short Circuit: shuts off the amp due to speaker or DC short

Inputs and Outputs Notes

Front of Amplifier:

  • Speakers: set screw terminals that can accept up to 8-gauge wire
  • BATT (power): set screw terminal that can accept up to 4-gauge wire
  • GND (ground): set screw terminal that can accept up to 4-gauge wire
  • REM (remote turn-on): set screw terminal that can accept up to 8-gauge wire

Back of Amplifier:

  • DVM: phone-type jack for use with optional remote-mount digital voltmeter
  • Remote: phone-type jack for use with optional remote bass boost control
  • High Input: 5-pin male jack for use with supplied speaker-level input harness

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