- Experience great sound in the great outdoors. Listen Al Fresco. Great sound for the great outdoors. Designed to withstand the elements, these outdoor speakers are optimized for Sonos Amp to help 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. These outdoor speakers are 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. The Exceptional Sonos Experience. 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 fa-vorite streaming services, AirPlay control, regular software updates that improve your listening, and the ability to add additional Sonos speakers and components to your setup at any time.