Klipsch Professional Series PRO-4803-C 80W 3-Way In-Ceiling Home Audio Speaker - Each (White) 3-Way In-ceiling, POWER HANDLING (Cont/Peak) 80W/160W FREQUENCY RESPONSE 55Hz - 22kHz, IMPEDANCE 4 - 8 Ohms switchable 1" Titanium Dome Tweeter, 1.5" Titanium Dome Driver 8" Woven Synthetic Fiber Woofer, White (paintable) HOLE DIMENSION 9.6" x 5.0" (244mm x 126mm), DIMENSIONS 10.7" x 5.6" (272mm x 141mm)