2x1 Audio switcher to be inserted in one 5.25" front slot of a computer (reserved usually to the CD/DVD driver).
The Box Audio PC, interface him with professional audio and audio/video cards provide of XLR audio inputs (for example: OSPREY audio/video acquisition cards), it allows to work with connectors in front of PC, both XLR (balanced signals) that jack 3 mm (unbalanced signals) and it has also the function of 2x1 audio switcher.

On front panel there are:

Female connector XLR 3 for balanced right input (line/microphone)

Male connector XLR 3 for balanced right output

Audio input jack 3 mm for line input (mono)

Button for commutation between A and B channel (with led indication)

1 Switch for choice of the type of input signal of the channel A (microphone or line)

On the back of the apparatus there is a power connector equal to that that we can also find on hard disk, floppy and CD, there is a 9 pins D female connector with which, through a special cable, the Box Audio PC connects him to the input and output of the audio/video PC card , moreover is present a connector for remote keyboard control.