Sonance CR101SST Single Stereo In-ceiling speaker (single) Product information: Sonance CR101SST 6.5" Single Stereo Speaker. The 6.5" dual voice coil polypropylene woofer is mated to an array of two-1/2" cloth dome tweeters angled to create stereo presentation from just one in-ceiling speaker. Perfect for single speaker placement applications. One speaker to provide even stereo coverage in small spaces, using Sonance's Single Stereo Technology ™. Woofer 6 1/2" (165 mm) Dual voice coil, black polypropylene cone with a rubber surround Tweeter Two 1/2" (12mm) treated, cloth domes Frequency Response 70 Hz to 20 kHz +/- 3dB SPL: 88 dB 1w 1m Power Handling: 5 watts minimum to 40 watts maximum Impedance 8 ohms nominal Grille Weather-resistant aluminum Dimensions (Dia x D) 9 3/4" (248mm) x 3 3/4" (95mm) Cutout Dimensions: 8 5/32" (207mm)