Relay 4-way Audio Input Signal Selector DIY Kit Switching RCA Audio Input Selection Board of Button Switch for Amplifier

Description The product uses relay to switch signals and the sound quality is not wasted Power supply range DC 7 32V or AC 6 20VIt has no signal amplification function just switching signal source It supports four channels od audio input and uses function switched can control the output of signals After the power is switched on the default first set of audio signals is activated On the board of the function switch there are four kinds of led lights which correspond to different audio inputs The switching order of the audio is clockwise left right lower right lower left Package included 1 x Relay 4 way Audio Input Signal Selector DIY Kit