Hi. thx for the tips guys.    I've got one more questions which would sound really dumb to u guys...    1. so say I bought a pair of headphones, I need to connect an amp to my macbook pro? so like macbook pro or iPod --> amp---> headphones? 2. is grado rs-2 okay without an amp...

thx for the tips !!   I really appreciate it. 

  Hi. since I'm new here, I don't no where to ask question (whether in full size or portable headphones), so i'm just posting in both forum. (excuse me :))      I'm a student who loves listening to musics.    I've been using bose OE series. (I no it's not good headphones after all...

Hi. since I'm new here, I don't no where to ask question (whether in full size or portable headphones), so i'm just posting in both forum. (excuse me :))      I'm a student who loves listening to musics.    I've been using bose OE series. (I no it's not good headphones after all but...