The speaker looks really good. He is quite heavy, but it delivers a rich sound that is balanced by my feeling, neither bass nor treble sound. According to other customers is very complicated to configure sein.Hierzu there is a manual with multiple images, downloading an app on PlayStore is also quite simple, and also kostenlos.Bei me it has worked without any problems and immediately bring the machine up and running, perhaps but just beginner's luck ... I am with my speakers anyway blown away.