I have seldom heard. This can not even every cinema. But is dependent on the DVD or BluRay. As I have already heard very large differences in quality. The building instruction has gaps, some simply is not there, you need some imagination to build. I'll have to extend the Lausprecherkabel slightly (Subwoofer and Front L / R). Otherwise, previously excellent sound! 11.04.2015 I did not understand what the other customers wrote for the fans. Now I know it. (Change from 5 to 4 *) The fan (the main unit) brings its unbalance the device to vibrate so that you have to set it up so that it does not touch anything on the sides, otherwise you have a hum and rattle, the one with a premium device .... , The internal FM radio is selected very awkward on the "select" button on the remote control and comes each time until ipod bluetooth-disc and what-do-I-even-for-what-opportunities over until you finally arrived at "FM" is ... =: - O You can display the station name also: by pressing another button on the FB several times. AND AFTER EVERY channel switching! I lack something the heights, but is possibly at me and my :-) about 50J. young ears?