This is a DIY treble horn voice coil. This voice coil is well-made and has excellent performance. It is made of titanium membrane and is durable. This replacement horn coil has a good tone and low distortion. The high pitch is delicate, transparent, clear, bright, and the high frequency is evenly distributed. Features: ¡¾EXCELLENT WORKMANSHIP¡¿This is a DIY tweeter voice coil. This treble horn voice coil is well-made to ensure that it can provide a better quality sound, which greatly improves the performance of this coil. ¡¾TITANIUM MEMBRANE¡¿This replacement diaphragm is made of titanium membrane, which makes this replacement diaphragm durable and not easily damaged, ensuring the long-term service life of this diaphragm. ¡¾LOW DISTORTION¡¿This universal diaphragm has high quality and excellent performance, has a good tone and a lower distortion rate, which can provide you with a more realistic and clear sound. ¡¾HIGH PITCH¡¿ This speaker voice coil can provide delicate, transparent, clear and bright high pitch to ensure uniform high frequency distribution and greatly improve sound quality. Specifications: Coil Material: Imported copper clad aluminum round wire Inner diameter of voice coil: approx. 44.4 mm / 1.7 in Binding post center distance: approx. 89 mm / 3.5 in Outer diameter of aluminum ring: approx. 65 mm / 2.6 in Sound film materials: titanium film Resistance: 8 ¦¸ Power: 50 - 120W Package Include: 1 x High Pitch Horn Sound Voice Coil