The ProGold series are audiophile-grade built in speakers on a budget. They compare with the best in ceiling speakers on the market, at a fraction of the price. Use the ProGold M65.1C as in ceiling home theater speakers (main or surround sound), or use them throughout your home for whole house audio. These flush mount speakers deliver incredible sound to any room in your home, using the "virtual enclosure" of your ceiling space to enhance their bass response and smooth low frequency blending with the midrange. - Lightweight and stiff gold Apolymer-ConesTM deliver excellent damping and bass response. - Pure balanced synthetic silk soft Accutec-DomeTM tweeters create brilliant highs and smooth midranges in an effective diffusion pattern ideal for flat wall installations. - Durable injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound. - Aimable swivel tweeters give greater accuracy and more realistic imaging. Without using any floor or shelf space these ceiling mount speakers create a near invisible system for true multi room audio. Creating your in wall speaker system is easy - built in audio is within reach! Installation requires only that you cut a hole, feed the wires through, and simply drop the speaker in. It is held in place by rotating cams that safely secure it with no extra assembly or mess. Once installed, the paintable grille and flange allows these home ceiling speakers to virtually disappear in the room. You'll have a multi room audio system with great sound everywhere. - Overall Dimensions: 9 1/8" x 3 1/4" - Cut out dimensions: 8" (template included) - Inwallreviews score: 72.5