Using WiFi technology, JAM Symphony lets you stream music to any room in your house and control it directly from your phone. Download our free JAM app to stream Spotify,iHeart Radio, and your personal music library. The Symphony has exceptional stereo sound, dedicated tweeters, and immense bass. It's perfect for large rooms, such as family rooms and great rooms. Sync up to 8 JAM WiFi speakers for an instant home sound solution — no wiring or installation required.