The circuit is designed with frequency compensation circuit, the sound frequency band is more balanced, the input signal filter circuit has relatively lower noise, and the rectifier filter voltage stabilizer circuit
Note: The ground wire of the vinyl machine should be connected to the GND pad of the power input end of the amplifier board, otherwise there may be interference.

Working voltage: AC: AC dual 12v-16v
Overall height: about 23mm
colour:Black
Material:metal
size:60mm x 45mm

Package Contents:
1 x Preamplifier Board
1 x 5w power transformer
2 x lotus sockets with 300mm shielded wire

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.