Sono funktioniert nicht

The app will automatically search for nearby Sonos Speakers within your WiFi network to make connection process as simple as possible.  Cast & Control Speaker App is compatible with most Sonos Speakers.  DISCLAIMER: We are NOT AFFILIATED with Sonos, Inc. and this app is NOT OFFICIAL PRODUCT from Sonos, Inc.  If you owned multiple speakers, you can easily switch between them. - Subscribed users have unlimited use and access to all of its Premium Features, without Ads. - Non-subscribed users can use Premium Feature few times a day. - Payment will be charged to iTunes account at confirmation of purchase. - Subscription automatically renews unless auto-renew is disabled at least 24 hours before the end of the current period. - Account will be charged for renewal within 24-hour prior to the end of the current period, and identify the cost of renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.