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.