How to Change AUX Input to a USB Port

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An RCA cable plug is typically used for transmitting video or audio to electrical devices that have RCA connections. To use an RCA plug with an auxiliary ("Aux") input on a device such as an amplifier with a USB connection, you need an RCA-to-USB adapter. The adapter conforms the signals transmitted into the RCA-type connection into those that can be recognized and used by a USB connection. You can obtain the adapter from an electronics or computer store. You will not need to modify the RCA cable or the USB connection in order for them to work together.

Things You'll Need

  • RCA cable, six feet
  • RCA-to-USB adapter
  • USB cable, six feet
  • Insert the RCA cable plug into the auxiliary ("Aux") input on an electronic device, such as an audio amplifier. Insert the RCA plug on the other end of the RCA cable into the RCA connection on the RCA-to-USB adapter.

  • Insert one end of a USB cable into the USB connection that is on the free end of the RCA-to-USB adapter.

  • Insert the other end of the USB cable into a free USB port on a computer or laptop. Typically, the USB socket is located on the sides of a laptop, while a computer has USB ports on its front and back panels.

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