Have purchased the device for an elderly lady. After her Röhrengerät course a quantum leap in picture! The sound is passable, only the headphone jack turned out to be challenging. First, the jack on the back and plug in the connector of the sound of the TV is turned off! Previously, both possible and useful at the same time due to temporary decrease in hearing aids. The opt. Starting with adapter was far too low and not adjustable, but a Scart adapter provided the solution and for good. 4 Now go back and both next to the picture is the sound for them convincing!