1-Inch PEI Black Dome Ferrite Tweeter with 240 Watts Max Power</br>Mounting Kits: Surface/Flush/Angle Included</br>0.5-Inch Voice Coil</br>Impedance Input: 4 Ohms</br>Frequency Response of 2,000-20,000 Hertz, and a Sensitivity of 88 Decibels</br></br>Product Description</br></br>The BL4CK DI4MOND tweeters deliver class, sophistication, and power. This line sets itself apart by using the highest quality control and raw materials available for its high-end technology. The high-frequencies showcase PEI Dome ferrite tweeters.</br><br/>http://www.amazon.com/gp/product/B00I82BX8U