How to Hook Up a Car Amp Inside the House to a Wall Outlet


If you've got a car amplifier you'd like to use in your home, there's one major obstacle to overcome: how to power the amplifier. Wall outlets provide 110-volt AC power, but amplifiers require 12-volt DC power. You'll have to do a little extra wiring, but the problem is not insurmountable.

Things You'll Need

  • AC to DC power inverter
  • 10-gauge insulated wire, red and black
  • 16-gauge insulated wire
  • Wire cutters/strippers
  • Look up the input power specifications for your amplifier, using the manual or the manufacturer's website. Find the specification for current draw in amperes.

  • Purchase an AC to DC power inverter. Make sure the inverter can produce a 12-volt DC output at the specified amperage rating.

  • Cut a length of 10-gauge red wire, a length of 10-gauge black wire and a length of 16-gauge wire, each long enough to reach from the amplifier to the inverter. Remove 1/2 inch of insulation from each end of the wires with your wire strippers.

  • Loosen the power terminals of the amplifier, marked "+" and "-", with a screwdriver. Loosen the REM terminal of the amplifier with a screwdriver.

  • Slide the ends of your wires into the loosened terminals and tighten down to clamp the wires. Insert the red wire into the "+" terminal, the black wire into the "-" terminal and the 16-gauge wire into the REM terminal.

  • Loosen the terminals of the inverter. The method and tool will vary by brand. Slide the black wire into the "-" terminal and tighten. Twist together the ends of the red wire and the 16-gauge wire, slide them into the "+" terminal and tighten.

  • Plug the inverter into a wall socket and turn on the inverter to power the amplifier.

Related Searches


  • "Car Stereo Cookbook;" Mark Rumerich; 2005
  • Photo Credit electrical outlet image by Mat Hayward from
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