The sound quality of such a tiny unit is amazing. Clear and crisp. In fact, the whole unit looks and feels well made - easily justifying the price tag. Once up and running though I found niggles. For example, try changing a preset on the remote control being more than 2 foot away from the unit! The desplay is tiny, yet the remote has no words on it at all. Just symbols. Therefore, your delight that the remote works through walls is veryt short lived when you have no idea what you are actually doing with it!
Also, the remote has no back light. Getting to your desired source (especially favourite Internet Stations) is a complete pain. With or without the remote. Once there, it is a delight - its changing that is the issue. Even as something of techie, I found the usage of the unit slow and illogical.
If you are prepared to deal with these gripes, it is great.