SPRODIO MD21 Audio Switch quickly and easily chooses between any two stereo audio input sources to one output. Easy A-B switching.
Uses Standard 3.5 mm (1/8 inch) Stereo TRS. Mini Plug Input & Output Jacks
For line level and headphone level audio sources only. CD players, MP3 players, satellite radios, computer sound cards, etc... are examples of unamplified low level audio sources.
Prevent possible equipment damage from repeated insertion and removal of audio cable plugs. A simple audio switcher can eliminate this "wear and tear" on your audio equipment.
Plug and Play; It doesn't need power supply
This MD21 is a stereo audio AB switch for 1/8" (3.5mm) plugs，you can quickly and easily chooses between any two stereo audio input sources to one output. Easy A-B switching.