1. Connect the positive electrode on the red dot side and connect the negative electrode on the other side.
2. Four solder joints are arranged side by side, and the middle two are solder joints of the coil pins. Do not weld them, otherwise the coil and diaphragm will be damaged! The two solder joints on the outside are connected to the headset
3. The headphone shell needs to be modified when the headphone unit is installed, and it can be installed well after widening the notch on the edge!
Product name: 16MM Headset driver unit
Feature:earphone repair parts
Sound quality characteristics: beautiful vocals, spicy female voice
2PCS headset driver