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4 Channel Stereo Audio Input Signal Selector Relay Board/ Signal Switching Amplifier Board DIY
Only five connections and control panel functions on the realization of the switch is connected to the control relay and LED display, compact, ultra-thin chassis can hold more easy to install!
Description:
PCB 2mm thick double-sided gold-plated plate to ensure good current size by performance.
To facilitate installation, the terminal small white board and LED lights are not on welding
Just for DIY
Operating voltage: AC (AC) = 12-15V
PCB dimensions: 98 * 42mm
Selector switch board size: 60 * 42mm
Note: The selector switch screw of the signal board is 8.8MM
Package list:
1PCS x Audio Input signal Selector Relay Board/ Signal switching amplifier board DIY
