* For how long have you been using it?
6 months
* Have you tried many other models before acqurir?
Koss UR40
* What is the specific feature you like best, the least?
Most: the clarity and neutrality of its precision. The comfort of the velvet coverings. maintained. No saturation.
Minimum: the sound is so good you do little more listen headphones "ordinary", let alone headphones.
* How do you report qualitprix?
Excellent!
* With the exprience, you do again this election?
Yes even if with time I am more attracted by the higher-end models.

A very good headset prices "affordable" to enter the world of sound quality!