Sell 4Ch Stereo Audio Signals Select Board DIY Board Relay Module Switch Signal Selector Audio Input Signal Amplifier Board best price

100% Brand New And High Quality PCB 2mm thick double-sided gold-plated plate to ensure good current size by performance. The ratio of signal transmission distance directly with the silver signal line installed to shorten the N times! Only 5 wiring and panel control switch is connected, on the realization of the function control relays and LED display, than similar products reduce doubled wiring, compact, ultra-thin chassis can pretend to be, the more convenient installation! Is assembled fever amplifier, preamp best choice! For buyers convenient installation, the terminal small white board and LED are not welded. Note: The selector switch screw of the signal board is 8.8MM To facilitate installation, the terminal small white board and LED lights are not on welding, just for DIY Technical parameters: Operating voltage: AC (AC) = 12-15V PCB dimensions: 98 * 42mm Selector switch board size: 60 * 42mm Package: 1 x 4-channel stereo audio signals select board + RCA Block 1 x 5-pin 50CN cable 1 x 3-pin 35CN cable