What is an aux port?

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A satisfactory functioning home entertainment electronics and here especially the The audio and hi-fi segments make it necessary to combine different device components combine. In this context, standardized cables and connector systems are used. The aux connection is one of these system connections.

Aux - the source for home theater and audio experiences
Aux - the source for home theater and audio experiences © TiM_Caspary / Pixelio

What the aux port is and its technical background

  • An aux connection is a signal input channel. A device signal is received there and then processed further. This usually means a subsequent signal amplification or signal filtering or Signal splitting.
  • The connected devices are usually signal-generating devices - such as CD players, radios, MP3 players, etc. In addition, the Aux connection is also an important interface for forwarding image-reproducing signals, which are transmitted directly via the television or via an intermediate recorder be reproduced.
  • The Aux connection is able to Video- and to process and display audio signals at the same time. However, before connecting a device to the aux interface, make sure that the existing device voltage is suitable for the aux line-in channel.

More about the aux hardware

  • This type of interface found its way into the world of technology as early as the 1960s. For a long time, the individual device components were connected to the intended "multipole Tuchel connector" Slot of the relevant input device, which then sends the signal accordingly processed.
  • The more modern devices with aux connection now provide a corresponding "chinch slot" as an aux slot. In contrast to the "Tuchel connector", the use of "chinch connectors" is still contemporary and is still a common and compatible standard today.
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The aux connection is by no means for connecting everyone Audio- or electrical devices that generate video signals. For example, an electric guitar is unsuitable for connection to an "Aux line in".

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