Product Review

(2pcs) 1pair 40mm Headphone Replacement Speakers Compatible for Bose quietcomfort QC2 QC15 QC25 QC35 QC3 AE2 OE2 Studio Studo 2.0 Solo 2 - Marshall major 2 - AKG K-55 - Razer kraken 7.1 - Sony MDR-CD280 Headphones etc, all of the 40mm headphones speaker can fit.
Remark: The speakers has positive and negative electrode, the positive pole is marked a small dots of color, unmarked point is the negative pole;
Please do not solder for more than three seconds. The welding time is too long. It is easy to burn the voice coil lead or directly burn the circuit board, causing the speaker to be short-circuited and Voiceless.