Item Type: ShellModel Number: 44mm high-pitch diaphragm high voice coilColor: silverPackage: NoMembrane Vibrating Material: Imported Titanium MembraneDescription: and high quality.It is voice coil for audio tweeter speakers.44 core treble titanium film.Lightweight and portable.As tweeter speakers accessory.Specifications:Impedance: 8: 50-120 WMaterial: Copper Coated AluminumCylindrical Diagonal Line: 9.8cm/3.86inBack Diagonal Line: 10.8cm/4.25inOuter Circular Diameter: 7.2cm/2.83inInner Circular Diameter: 4.5cm/1.77inQuantity: 1 PCPackage includes:1 X 44mm high-pitch diaphragm high voice coilOnly the above package content, other products are not included.Note: Light 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.