Features: New and high quality 25.4mm dome treble universal voice ring with high-quality durable voice coil Inner diameter of coil: 25.4mm Voice coil roll: approx 2.3mm Voice coil DCR: 5.4 ohms 5.4 ohm high power environmental protection tweeter voice coil horn diaphragm driver with 25mm core silk film tweeter Newly tested, functional, and made of high-quality materials Specifications: Product Name: 25.4mm Dome Treble Universal Voice Ring Coil Diameter: 25.4mm Length: approx 83mm Shelf Diameter: 43mm Voice Coil Roll: 2.3mm Voice Coil DCR: 5.4 ohms Color: Black / Transparent Quantity: 2PCS Note: Due to lighting effects and shooting angles, there may be slight variations in product appearance Please allow 0-2mm error due to manual measurement Package Includes: 2PCS Dome Treble Universal Voice Ring