DIY Relay 4-way Audio Input Signal Selector Switching Kit RCA Audio Input Selection Board of Rotary Switching for Amplif

Description The product uses relay to switch signals and the sound quality is not wasted Power supply DC 7 30V AC6 20VIt has no signal amplification function just switching signal source It supports four channels of audio input and uses function switches can control the output of signals On the board of the function switch there are four kinds of led lights which correspond to different audio inputs The switching order of thr audio signals is clockwise or counterclockwise ABCD DCBA Package included 1 x DIY Relay 4 way Audio Input Signal Selector Switching Kit