NXG Technology NX-PRO8300 3-Way In-Wall Speakers with 8" Woofers (White, Pair) Pair of 3-way in-wall speakers designed for stereo or surround augmentation in walls and ceilings Each speaker uses an 8-inch woofer, a 2.5-inch midrange driver, and a 1-inch titanium-dome tweeter (with adjustable mid/tweeter levels) Compatible with amplifiers producing 5 to 150 watts per channel (8 ohms nominal, 6 ohms minimum); 35 to 22,000 Hz frequency response Paintable white finish; user-installable using common tools (including a stud finder and a utility knife or drywall saw) Measures 10 x 14 x 4 inches (W x H x D) each