Have you guys noticed any hearing loss? I bought a pair of Astrotec AM-40 IEM's which I've been using regularly since like 3 months. I use them mainly with a Samsung MP3 player listening music maybe 2 hours (two 1 hour sessions) - 5 days a week. The volume indicator in the device goes up to 30...

  Hi guys, I'm a newbie around here... and I'd like some advice of you guys. A few months ago I discovered I'm an audiophile... (or at least a wannabe LOL), and I'm looking for some good closed headphones. My budget is $100~$120 (I'm currently studying, not working...). So long, browsing and...