Audio Input Signal Selector Relay Board/ Signal Switching Amplifier Board DIY

Description:
100% and High Quality
Double-sided with 2mm thick gold-plated sheet, ensure good current size by performance. -class quality.
This product features:
1: The ratio of signal transmission distance directly with the silver signal line installed to shorten the N times!
2: 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.
Technical :
Operating voltage : AC 9-15V
's size : 98 * 42mm
Selector switch board size : 60 * 42mm








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