Signal Switching Amplifier Board 4 to 1 Audio Input Signal Selector Relay Board

Signal Switching Amplifier Board 4 to 1 Audio Input Signal Selector Relay Board Description: Double-sided PCB with 2mm thick gold-plated sheet, ensure good current size by performance. PCB-class quality. Feature: 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. Technical parameters: Operating voltage : AC 9-15V PCB's size : 98 * 42mm Selector switch board size : 60 * 42mm Package included: 1 x 4-channel stereo audio signals select board + RCA Block 1 x 3-pin 35CN cable