-Working voltage: AC (12V+0+12V)
-4-channel audio input, one way output, four select all change.
-Front stage amplification gain of about 5 times.
-Power supply circuit is a high-speed HO serving DC power supply, providing an extremely regulated power supply for the amplification circuit.
-PCB size: 172 x 42mm
-Dimensions of the selector switch board:62.5 x 59 mm
-PCB thickness 1.6 mm, PCB copper foil thickness 2 OZ
Package:
1pc 4-channel audio selector_pre-amplified audio combo board
