The two switches are completely isolated from the ground, and there will be no current sound and noise ^^
Usage 1: Two playback devices (switching one player to play) are connected to one power amplifier.
^^ Usage 2: one playback device is connected to two amplifier audio devices (switch one of the amplifier to use playback). ^^ The wire adopts 4n OFC, the plug is pure copper gold-plated 24K ^^ Multiple length selection, bifurcation position in the middle of the wire