The pair of Bose Virtually Invisible 791 Series II In-Ceiling Speakers is designed with Stereo Everywhere technology for full, even sound coverage across the whole room with no drop-offs. Capable of handling up to 100W each, they feature a 7" woofer with two strategically-positioned 1" tweeters. Their standard dogleg clamps make for a quick and easy installation. The grilles magnetically snap on to further ease installation while allowing you to paint them to better blend into your décor.