SpeakerCraft AIM 8 Five Series 2 in-Ceiling Speaker - Each 15 degree pivoting 8" Kevlar (R) cone woofer. 15 degree Pivoting 359 degree rotational ARC tweeter array with two 3/4" and two 5/8" aluminum-magnesium tweeters. WavePlane technology with vortex eliminators. Acoustic Isolation Technology to minimize acoustic energy transfer to mounting surfaces. Flangeless appearance with magnetically attached white low profile grill.