Outdoor By Sonance. The architectural speakers for listening outside the home. Great sound for the outdoors. Designed to withstand the elements, these outdoor speakers are optimized for Sonos Amp to hep you enjoy rich sound outside the home. Powerful sound custom tailored acoustic components enhance fidelity for a natural listening experience even at high volumes. Weatherproof design engineered to withstand humidity, water, salt spray, heat, UV rays, and freezing temperatures. Power more with Amp. Power up to three pairs of Sonos by Sonance Architectural speakers with a single Sonos Amp for even more sound coverage. When paired with Amp, these speakers unlock all the benefits of the Sonos System, including an easy to use app that works with all your favorite streaming services. Individual dimsensions 12.20 X 7.48 X 8.86. Sold In Pairs.