4-inch titanium super tweeter for clear and powerful audio. Features a 1.75-inch ferro fluid-enhanced voice coil. High-strength engineering plastic frame with a diamond chrome finish. Wide frequency response from 2.0kHz to 20kHz for enhanced sound quality. 200W max power and 100W RMS for robust performance. 3 mounting options: flush, swivel, surface, or angle mount. High sensitivity of 105dB at 1W/1M. Designed to enhance lower-frequency music notes and car bass systems.