Using the Sonos Controller for Mac or PC
1. Select Setup Services from the Music menu.
2. Click Add.
3. Select iHeartRadio from the Music Services list, and click Next.
4. Click Next again to finish. You should now see iHeartRadio listed under Music Services.
Using the Sonos Controller 200 or Sonos Controller for iPhone
1. Select Settings from the Music Menu.
2. Select Service Settings>Music Services>Available Services.
3. Touch iHeartRadio, and select Set up iHeartRadio.
iHeartRadio should now be added to your system and you can see it listed under the Music Services section.