Description: This is a preamplifier NE5532 board and it can replace 4558, LM833, LT1057, AD827, OPA2604... Magnify sound by 5 times. Improve your audio quality. Size: Approx. 36.5x35.2mm/1.4x1.4 Inch Specification: Wiring Instructions: VCC----Battery Positive 12V-30V DC GND----Ground, Battery Negative Rout----R, Right Channel Output Lout----L, Left Channel Output Rin----R, Right Channel Input Lin----L, Left Channel Input Package Includes: 1 Piece NE5532 Board
