1) Product Name: Tweeter parts 2) Disk NdFeB magnet 3) Used in tweeters, earphones, headphones and receivers Product Name: Tweeter MagnetsSmall sizes and strong power, easily and widely applied in tweeters, earphones, headphones and receivers.Features:1. φ3 up to 220mm2. High grade can be used, such as N38SH, N38, N42, N45, N40H, N42H, N523. Max. Working Tempeture: 250 deg. C 4. Coating: Zn, Ni, ...