ELFINEAR High Quality 42ohm 50mm Headphone Speaker Driver Replacement

50MM, 32 Ohms European import copper coated aluminum wire, strong Neodymium magnet（NdFeB), transparent sheet forming special diaphragm, bassy and powerful, not scattered, high and medium frequency voice analysis is very in place, female voice clear, background music in a fullview.
Packaging
2* Headphone Speaker unit

Instructions
Please test the speakers with a multimeter before soldering.

The colored spot is for positive pole +, the other side is for negative -.
Soldering with less than 3 seconds. Otherwise, the voice coil or circuit board can be burned out easily.

Note:All ELFINEAR Driver units have \curve\ distortion\phase\the DB value\voice frequency sweep pairing\ tested and confirmed before shipping. After receiving the drivers, please check the package and test its qualtiy by using a multimeter or other devices before welding, due to the unit belongs to the perishable goods, warranty are not provided after welding.