The IC-8.3-S Tri-Mode two-way ceiling-mount speakers combine the very best in stealthy trim-bezel looks and superb high-fidelity sound. Their unique dual voice coil woofers with massive magnet assemblies and dual 1" soft-dome tweeters allow them to be configured for conventional (mono), single-point stereo, or dipole surround operation, providing ideal coverage for every application. With their discreet profile and magnetically-attached grilles, combined with famous Atlantic sound and easy installation, there are no excuses for not having great music and special effects wherever you want them. Features: In-ceiling 8" speaker with dual 1" voice coils Dual soft-dome 1" tweeters Ultra-thin, low-profile bezel Magnetically attached grilles 3 modes of operation: stereo pair, dipole diffuse surround, and single point stereo Packaging: Carton Unit Of Measure Id: 1 * Weight: 5.2 (pounds)Color: White Wattage: 150 Nominal Impedance: 8 Ohms Frequency Response: 45Hz - 22kHz Tweeter Size: 1" Speaker Type: In-Ceiling