A new report says that sales of the Sonos Ace have been disastrous and the TV set-top box has been delayed. Again.

The rollout was unexpected and removed key features, like alarms and timers, and generally made the app slow to connect to existing speakers, to the irritation of long-term users who have invested in the company's ecosystem of connected audio products.

Sonos' app redesign received poor feedback due to missing features, and it may also impact future hardware projects. The company's rumored streaming solution may be delayed due to resource allocation towards the app issues.

With accusations the app was "unfinished", and the potential for a dramatic U-turn that would lead users back to the prior version, Sonos is in a tricky spot. According to a new r