4 Port Audio Switch, 3.5mm Audio Switcher, Stereo AUX Audio Selector, 4 Input 1 Output / 1 Input 4 Output Audio Splitter Switcher, Audio Switcher Box, 4 channel switch knob, No External Power Required

4 Port 3.5 mm Audio Bi-Directional Switcher
This is a 4 Port bidirectional switcher for 3.5 mm audio ports.
3.5 mm audio selector designed for customers having several audio sources and outputs.

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.

Features:
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.

Notes:
Does Not Support Microphone.

Key and Knob:
1 volume control
1 input selector
Connection:
1 audio equipment Select 4 speakers
4 audio equipment Choose 1 speaker
Package contains:
1* 3.5 mm Audio Switch Switcher
1* 3.5 mm Audio cable
1* User manual