44-core blue film flat wire: This configuration has better sound quality for the tweeter, the treble is not harsh, the overall sound is clear and parent, and the bend is an upgraded version of the titanium film. Superior sound quality: high power, high sensitivity, good sound quality Magnetic circuit form: external magnetic type Application field: large audio equipment The appearance color may be slightly different due to different factory batches, which not affect the use Colour:Blue&Black Material:Aluminum + Copper Package Contents: 1 x high-density voice coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.