Phoenix Gold ATi6 6.5-Inch In-Wall Speakers, White (Pair) (Discontinued by Manufacturer) Pair of 2-way in-wall speakers with removable grilles for stereo or home theater use 6.5-inch polypropylene cone woofer and 1-inch swivel tweeter per speaker Durable butyl rubber surrounds and ferro-fluid-cooled voice coils; moisture-resistant housing 40 Hz to 20 kHz frequency response; 200 watts power handling and 90 dB sensitivity Mounting cutout of 7.62 x 10.81 inches and mounting depth of 3.38 inches