The State-of-the-art Ht-8c Is A Round 2-way In-ceiling Speaker For Use In A Wide Variety Of Applications, From Stereo And Whole-house Music Systems, To Complete Home Theaters. It Incorporates A Surface-mounted .75-inch Pivoting Titanium Tweeter That Allows You To Aim The Tweeter Towards The Listening Area For Great Sound Anywhere In The Room. The White Grilles And Frames Are Paintable And Allow The Speakers To Blend Into Any Decor. Their 8-inch Polypropylene Woofers Enable Them To Deliver Lower And Louder Bass Output Than One Would Expect From An In-ceiling Speaker. Mounting Tabs Are Included For Easy Installation.