Lanzar Upgraded 1'' Pair Tweeter - Titanium Dome Speaker - Powerful 100 Watt Peak 1.2-25 kHz Frequency Response and 4 Ohm w/Heavy Duty Aluminum Housing and 3 Mounting Option - Optidrive OPTITW 1.2 - 25 kHz FREQUENCY RESPONSE: Lanzar, optidrive 1'' titanium dome tweeter speaker has neodymium magnet structure and frequency response that complete the package. Also, pack with exceptional power watt peak and impedance rating POWERFUL 100 WATTS: This bullet super tweeter speaker provide up to 100 watts peak power because it is equipped with neodymium housed structure. It's all housed in heavy duty aluminum housings 4-OHM MIN IMPEDANCE: This upgraded car tweeter has 4-ohm impedance rating that compensates the undersized wire found in many of todays cars. It ultimately reduces distortion so you can enjoy a crisp and clear sound 3 MOUNTING OPTIONS: The pair of tweeters are mountable either flush, surface or swivel. This allows them to create a raised soundstage with plenty of stereo separation. Improve your music the most with Lanzars tweeter speaker SIZE: Lanzar upgraded car speaker measures 1.5'' in overall diameter with 3 mounting options. The heavy-duty aluminum housing and titanium dome structure provides a strong foundation for full range car tweeter speaker from Lanzar