Who is a distinct sound picture expected in the depths disappointed

Since specifications always great and objectively appear after notice of a friend I was looking for an indication of distortion. The only indication that I found THD was the wool has to do with the statement here: 10%. This seems to be a bad value, but there is probably a function of frequency I do not prefer to put my hand in the fire for it.

Otherwise:
The first impression is great, it has a sophisticated, seems wertig processed, all the cables to the volume control could be extended probably no problem, a plurality of inputs, a headphone connector, a true on / off switch, ...

But more importantly yes the sound, and this is where the subwoofer is making a blunder without equal. During the high and mid tones are easy to distinguish, hardly sounds can be distinguished on the subwoofer, it rumst fairly uniform accompanied by a grumpy reverberation. Overdriven? Rather, Windows was not on 50, the volume control of the boxes around on 1/3, SW When there is an extra regulation under 50% SW volume you have to be close to the ear already subwoofers have to listen to it, from about 80% it seems to have the right volume ratio is approximately. A friend who entered the apartment first suspected defective boxes and after a brief trial and error in the settings and a different input device said he - as initially written - something of distortion.