Easy installation and simple operation. High Quality 100% BRAND NEW! High quality rotary switch.
Hot-swappable (no need to reboot computer). Compact and super mini size; Easy to place and suitable for your desktop and office.
Plug and play; No power supply and other software required; Won't affect sound quality.
Analog signal maximum support 2V p-p input and output.
Input and output frequency range: 20Hz ~ 20KHz.
Use standard audio cable, input transmission distance up to 8 meters, output transmission distance up to 8 meters.
Super small size; Compact and super mini size; Easy to place and suitable for your desktop and office.
Main functions:
① Select audio input between (IN/OUT)A/B/C/D with 1/4 switch knob and get one output;
② Select audio output between (IN/OUT)A/B/C/D to receive one input;

How to use:
① connect 4 audio sources (like CD player / computer/Phone/MP3) to 1/4 ports and 1 audio output (like speakers) to IN/OUT port;
② connect 1 audio source to IN/OUT port and 4 audio outputs to 1/4 port.

Note:
Only three-segment headphones are supported (four-segment headphones are not supported)
Only one input can be played at a time.