Item Type: Shell el Number: 44mm high-pitch diaphragm high voice coil Color: sier Package: No Membrane Vibrating Material: Imported Titanium Membrane Description: 100% brand new and high quality. It is voice coil for audio professional tweeter speakers. 44 core treble titanium film. Lightweight and portable. As tweeter speakers accessory. Specifications: Impedance: 8Ω Power: 50-120 W Material: Copper Coated Aluminum Cylindrical Diagonal Line: 9.8cm/3.86in Back Diagonal Line: 10.8cm/4.25in Outer Circular Diameter: 7.2cm/2.83in Inner Circular Diameter: 4.5cm/1.77in Quantity: 1 PC Package includes: 1 X 44mm high-pitch diaphragm high voice coilOnly the above package content, other products are not included. Note: Light shooting 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.