Play any Song in any Room with HEOS by Denon. This is the companion app for your HEOS Wireless Multi-Room Sound System. The app provides everything you need to set up and enjoy music on your HEOS system. By utilizing your existing wireless home network and one or more HEOS speakers, the HEOS Amp or HEOS Link, you can explore, browse, and play music from many online streaming music services or from your own music library. Features ÔÇó True multi-room audio - play different songs in different rooms or the same song in every room ÔÇó Legendary Denon audio quality ÔÇó Quick and easy setup ÔÇó Utilizes your existing home wireless network ÔÇó Play from online music services, music stored on your mobile device, USB, analog inputs, computers, NAS drives. ÔÇó Supports multiple users and multiple music service accounts ÔÇó Industry-leading microsecond audio synchronization between speakers ÔÇó Modern audio DSP optimization Anywhere Sounds Amazing! Learn more at http://usa.denon.com/us/heos Customer Support: http://denon.custhelp.com/app/home