CDT Audio WS-100i 2.5cm Silk Tweeter Pair This driver excels in providing fully extended high frequency response with power and dispersion. Very airy and energetic with the smoothest power response. This silk Tweeter is a touch sweeter and less critical than metal dome Tweeters. The driver is cooled by ferrofluid Neodymium magnet WS-100i is the smoothest image silk tweeter you ever heard. Always gentle and forgiving, this Tweeter emphasises the music and avoids noise and artefacts that may embed some source material or be characteristic of less than perfect amplifiers. Perfect designed for use up on the windshield upper corners, it mounts right onto the windsheld glass. No cutting, no drilling, very quick and easy installation. No listening fatigue and an easy quality that puts an emphasis on the system's midrange. The driver is a 2.5cm silk dome cooled by ferrofluid Neodymium magnet.