In summary - works great for its core function, but has a few quirks that are annoying, but livable. möchte man noch 30 % mehr . Only thing left to do was add some weight and give it a try. Omg so worth the buy! I would still recommend them for the comfort and look. It has a gain control which is nice and comes with a LINE/AUX switch, and 8 channels to select from in the unlikely event you do get some interference. I also play a lot of FLAC files when utilizing my Opus #2. The mules themselves are the usual great Birkenstock quality. Für diejenigen die Action vorziehen, Leder Polster und Bassregler auf Maximum, werden euch ein Erlebnis bringen :). Super Farben!