SpeakerCraft DX-Stage Evoke E Series In-Ceiling Speakers will evoke a pleasant atmosphere throughout your home with their natural ambient sound. The DX-EC6-DT ceiling speaker features a 6-1/2-in. poly woofer cone and dual 1/2-in. Mylar tweeters. It is ideal for ambient music applications where a single speaker needs to deliver stereo sound where reliable and consistent performance is desired. The tilting tweeter mechanism allows you to direct sound to the listening-area sound stage, even when the speaker is mounted in less-than-ideal locations.