hey guys, ive recently bought an ATH-M50 and im loving it so much. now ive got friends who have recommended using an amp for these cans, now i really want a potable amp, nothing too bulky.    I use an iPod Touch 3rd Generation straight to my M50's   any suggestions? what would i expect...

hey guys im a newbie with headphone equipment and around 4 months ago, i just realized that my Yamaha RX-V630 has a headphone out, where i could plug my headphones. i tried plugging my ipod, then using my headphones on it and noticed a strong hissing sound and that the tracks would play really...

hey guys im new here at headfi and i was just wondering....   i presently own an HD448 of Sennheiser. the highs are a bit harsh for me, the mids are okay and the bass isnt well defined, at all. the thing that sets me back here with these headphones are the highs and the lows. i just cant...