AudioBahn A4KDN Operating Instructions Manual
AudioBahn A4KDN Operating Instructions Manual

AudioBahn A4KDN Operating Instructions Manual

4000 watt rms class d competition amp

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QUALITY, RELIABILITY, & PURE BLISS
4000 WATT RMS CLASS D
COMPETITION AMP
A4KDN
OPERATING INTSTRUCTIONS
PLEASE RETAIN MANUAL FOR FUTRE USE AND REFERENCE

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Summary of Contents for AudioBahn A4KDN

  • Page 1 QUALITY, RELIABILITY, & PURE BLISS 4000 WATT RMS CLASS D COMPETITION AMP A4KDN OPERATING INTSTRUCTIONS PLEASE RETAIN MANUAL FOR FUTRE USE AND REFERENCE...
  • Page 2 With four levels of play, one is right for you to get started in the Audiobahn family. Our Technical Department and entire staff look to strive above and beyond the rest of the pack by going that extra mile to help you out.
  • Page 3: Table Of Contents

    Table of Contents Table of Contents Introduction Features and Specifications Control and Functions Planning / Mounting Your System Wiring Diagram Bridging 2 Amplifiers Adjusting and Tuning Troubleshooting Warning and Disclaimer Warranty 5-10 13-14 18-19...
  • Page 4: Introduction

    Audiobahn Connections. The Audiobahn line has everything ranging from the smallest terminal, to power wires up to 0 gauge, and 4 channel RCA cables. To get a free brochure on Audiobahn products in the U.S. call (714) 988-0400 or e-mail us at sales@audiobahninc.com.
  • Page 5: Features And Specifications

    > Dimensions : WxHxL NOTE: As the A4KDN amplifier is a competition grade Class D Amplifier, no fuses are included on the amplifier. It is recommended to fuse the power wire no further then 18” away from the battery. The fuse rating you need to use will vary depending on the setup of your system, impedance the amplifier is running, and use of the system.
  • Page 6: Control And Functions

    Controls and Functions �...
  • Page 7 Controls and Functions 1. Bass Boost Gain Remote Control This plug connects the amplifier and the remote bass knob using the supplied cable. 2. Input Sensitivity Control This control adjusts the amplifier's input sensitivity. The input sensitivity is variable from 200 Millivolts to 8 volts.
  • Page 8 Controls and Functions 4. Low Level LINE OUT RCA Jacks The LINE OUT allows you to build a multiple amplifier system without having to use splitter cords or Y-adapters to distribute the signal. Now it is simply a matter bringing one set of RCAs into the first amplifier, then using the line out RCA jacks as the feed to the next amplifier.
  • Page 9: Clipping Indicator

    Controls and Functions 7. Low-Pass Filter Control For use as a dedicated subwoofer channel, set the filter switch to the "LPF" (Low Pass Frequency). Adjust the variable crossover frequency with control knob as desired. The amplifier input circuit filters out everything above 50Hz ...
  • Page 10 Controls and Functions 10. Speaker Terminals These terminals are used to wire your subwoofer(s) to the amplifier. 11. B- Terminal (Chassis Ground) To avoid unwanted ignition noise caused by ground loops, it is essential that the amplifier be grounded to a clean, bare, metal of the vehicle's chassis.
  • Page 11: Control And Functions

    Controls and Functions 13. Remote Turn-on Input The remote terminal needs to be wired to the car's stereo or source unit remote turn on wire. This amplifier is turned on remotely when the vehicle's stereo is turned on. NOTE: iF YOUR RADIO DOES NOT HAVE A +12 VOLT OUTPUT LEAD WHEN THE CAR IS TURNED ON, THE "REMOTE"...
  • Page 12: Planning / Mounting Your System

    Planning and Mounting Your System Planning Your System Before beginning the installation, consider the following: a. If you plan to expand your system by adding other components sometime in the future, ensure that adequate space is left, and cooling requirements are met. If your radio/source is equipped with Pre-Amp outputs, it is possible to utilize them to drive an Amplifier and connecting (amplifier) to the 2 rear speakers.
  • Page 13: Wiring Diagram

    Wiring Diagram ��...
  • Page 14: Bridging 2 Amplifiers

    Bridging 2 Amplifiers IF BRIDGED SWITCH POSITION IS ON SLAVE, ALL CONTROLS ARE NON-FUNCTIONAL. ALL CONTROLS ARE NOW CONTROLLED BY THE MASTER AMPLIFIER. �� DES. 423,503...
  • Page 15 Bridging 2 Amplifiers When bridging the amps together follow these wiring instructions: 1. Positive (+) of the MASTER amp goes to Positive (+) of the sub 2. Positive (+) of the SLAVE amp goes to the Negative (-) of the 3.
  • Page 16: Adjusting And Tuning

    Adjusting and Tuning TURNING ON THE AMPLIFIER The amplifier automatically turns on a few seconds after you turn your vehicle's ignition switch to ACC or turn on your auto sound system (depending on how you have wired the system). The POWER indicator on the top of the amplifier illuminates when the amplifier is on.
  • Page 17: Troubleshooting

    Troubleshooting SYMPTOMS NO SOUND AMP NOT SWITCHING NO SOUND IN ONE CHANNEL TURNING OFF MEDIUM/HIGH VOLUME STATUS LAMP ON CHECK POINTS Is the power LED illuminated ? ( NO ) Is the Diagnostic LED illuminated ? ( YES ) No power to power wire No power to remote wire with receiver on Fuse broken...
  • Page 18: Warning And Disclaimer

    Using a fuse of different type or rating may result in damage to this system which is not covered by the warranty. Disclaimer Specifications are subject to change without notice. For the most updated Specifications call Audiobahn, your local Authorized Audiobahn Dealer, or check the Audiobahn website. www.audiobahninc.com...
  • Page 19: Warranty

    You must receive prior authorization and an RA# before sending in any complete enclosure). Audiobahn will only replace L.E.D.(s) found to be defective at the time of purchase. Audiobahn warranties do not cover the following: Any product not purchased from an Authorized Audiobahn Dealer (including Internet...
  • Page 20 Dealer look at the product to confirm the source of the problem. Any product found to have a manufacturer defect will be replaced with a new piece of the same or similar model, or repaired at the discretion of Audiobahn. Any product found to have no manufacturer defect will be returned to the sender at their cost.

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