Features 1. This 75.5mm low voice coil uses two layers of black aluminum round wire for reliable performance. 2. The DIY bass coil offers improved performance compared to standard high power voice coils. 3. Designed for speaker repair applications. 4. Lightweight and portable design. 5. Easy to install and use. Specification This o bass speaker features two layers of black aluminum round wire for consistent performance, providing a high-quality user experience. Feature 1. This 75.5mm low voice coil uses two layers of black aluminum round wire for reliable performance. 2. The DIY bass coil offers improved performance compared to standard high power voice coils. 3. Designed for speaker repair applications. 4. Lightweight and portable design. 5. Easy to install and use. Specification: 75.5mm Bass Voice Coil Coil Material: Black Aluminum Voice Coil Inner Diameter: 75.5mm Skeleton Total Height: 50mm Copper Coil Wire Length: 16mm Package Included: Speaker Voice Coil x 1 Notes: 1. Please allow 1-3 cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same; the item color displayed in photos may vary slightly from the actual object. Please refer to the physical product as the standard.