Description: Brand new and high quality. Supply voltage: AC dual 12-double 15V. Input voltage: dual AC 12V~18V (connected directly with dual 18V ) . Three lines, 12V-0-12V or 18V-0-18V 4558 tuning board. 2.0 preamplifier board; with high, medium, low, balanced tuning board. Specification: Size: 20 x 8 x 3cm Package Includes: 1 Piece Stereo Amplifier Board 1 Piece User Manual 5 Piece Screw
