B-stock pricing is PER SPEAKER Specifications: part number ASM76730 Motorized In-Ceiling Speaker That Opens to 15?, 30?, or 45? and Rotates 285? 8" Aluminum Cone Woofer 1" Aluminum Dome Tweeter Timbre-Matched to All Three Series Speakers Fully Programmable Efficiency: 89dB 1W/1m Power Handling: 5 - 100 Watts Impedance: 8 Ohms Frequency Response: 37Hz - 20kHz ?2dB Diameter x Depth: 11 5⁄8" x 11" (295 mm x 279 mm) Cut-Out Diameter: 9 5⁄8" (244 mm) seperate controller is required for operation