Professional 4 inch 30W pneumatic tweeter delivers crisp high with fast response, featuring a unique type design for sound compared to traditional tweeters. 100mm (4 inch) standard size ensures easy installation and compatibility with most loudspeaker, ideal for home sound upgraded, and car sound modifications. Optimized 4ohm impedance allows seamless pairing with various amplifiers for effortless integration without complex matching requirements. Stable 30W power output maintains low distortion during extended use, providing dynamic sound reproduction with minimal heat generation. HiFi metal construction produces expansive with detailed instrument separation and natural vocal reproduction, perfect for audiophiles seeking quality.