DIY HIFI Headphone Amplifier Single Power Supply PCB AMP Kit With Transparent Housing

DIY HIFI Headphone Amplifier Single Power Supply PCB AMP Kit With Transparent HousingSpecification:

Working voltage: DC12V-18V
Use plug specifications: 5.5mm inner 2.1mm outer
Input polarity: Inside positive, outside negative
PCB board size: L = 83.1mm, width = 45mm
Sound effects can play a unique sound

Note:

This is DIY Kit, you need to solder it by yourself!

Package includes:

1 x DIY HIFI Headphone Amplifier Kit with transparent housing