Guide on How to Install a Car Amplifier and Subwoofer

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Thanks to plenty of information on the internets, the process of installing a car amplifier or subwoofer has been simplified in a big way. Since you already know how a car works, getting a working knowledge of car audio systems should not be such a difficult task. In this article, we will try to break down the process and help you to successfully install an amplifier and subwoofer.

How should you go about it?

  1. You will need to disconnect the cable (located under the hood of your car) from the negative (-) terminal of the battery. This will ensure that there will be no accidental short circuits happening while you are installing your amplifier.
  2. Look for an area under the car hood where you can activate your fuse holder. Ensure that the spot you identify is close to the battery as possible because the fuse can only protect against a short circuit if the fuse is within the short circuit. After you have identified an area, drill and screw your fuse holder in place.
  3. Identify an area inside the car, preferably an existing covering rubber eyelet that will give an easy pass through the firewall and under the hood. Once identified, try to push the power wire through it from inside the car. If you are not able to do this, you can prick the eyelet a few times with a screwdriver and then push the wire again.
  4. The next step involves finding the power wire under the hood and pulling sufficient slack to connect the wire to the fuse holder. You can lay the fuse in the fuse holder then attach the power wire that has been fused through the firewall to the fuse holder. Alternatively, you can fix a short power wire from the positive terminal of the battery to the other side of the fuse holder.
  5. Program your power wire through the car into the trunk. The best place is on the driver’s side edge of the carpet. It is normally gripped with plastic fasteners which can be easily refastened. Afterwards, get access to the system had unit with RCA outputs and remote wire hookup.
  6. Connect the RCA cables to the subwoofer output while attaching the remote wire to the ‘RMT’ wire on your audio head unit. You should then rub this wires back to the trunk to the amplifier location, same as you did with the power wire. To ensure there is no noise entering the system, you should run the signal and speaker wires from the passenger side of the car and ensure they stay separate from the power side.
  7. Now connect the subwoofer to the amplifier with the speaker wire. The positive (+) terminal on the subwoofer should be attached to the positive terminal of the amplifier.

Finally, reconnect the negative terminal on your battery and confirm if the amplifier turns on and the subwoofer is clearly audible. Now enjoy your ride!

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About Author

Martin is a car and equipment enthusiast. Like many kids his age, he always liked cars since he was a kid and the passion stuck with him. These days, he lives out his passion on the blogosphere, giving others advice on handling equipment and car sound systems. He also enjoys teaming up with other enthusiasts and sharing the knowledge of car equipment with them, with the aim of fostering mutual appreciation. When he is not analyzing car sound systems or equipment, Martin is sampling tasty dishes in different places and exploring the world around him. He is an avid reader as well, and that energy translates well to the site.

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