Specifications

1, working voltage: DC12V-18V
2, use the plug specification: outer ring 5.5mm inner ring 2.1mm
3, the input polarity: positive
4, PCB board size: long =83.1mm, wide =45mm
5, the quality of the effect: can play a unique sound quality
 
Package include:
1pcs*47 amp diy kit with csae
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