brand new and high quality Features: Name:NE5532 OP-AMP Board Board size:50*30*15 mm Installation size:43*23mm Working voltage: DC: 12V-30V Magnification ：5 times Channel: Stereo Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes（without retail package）: 1 x Amplifier Board
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