The Harman Kardon Controller app works seamlessly with the Harman Kardon Omni 10+, Omni 20+, Omni 50+, Omni Bar+, Omni Adapt+, and Omni Adapt+Amp speakers to let you stream HD audio around your home. Use the Controller app to set up and customize your speakers, setup a true wireless 5.1 surround system, control audio in your house and stream local or cloud content in glorious HD audio.