The Jam WiFi Home Audio app enables you to control all of your JAM WiFi compatible speakers directly from your mobile device. Group and ungroup speakers, manage your stations and presets, control volume, use the intercom, Amazon Alexa and more. Works with the following JAM WiFi speakers: JAM Rhythm (HX-W09901). JAM Symphony (HX-W14901). JAM Voice (HX-P590). Need Help?