From now on, you can also enjoy music in the garden, by the pool, or on the boat. The Bose 151 passive outdoor speakers are very sturdy and weatherproof. You can leave them hanging or standing in any weather conditions all year long. The Articulated Array design and the Stereo Everywhere performance ensure full stereo sound in a large listening area. Hang the Bose 151-II speakers horizontally or vertically using the included wall mounts, and enjoy beautiful Bose sound every day.