Etymotic Research ID:GSohaz3l

Etymotic ER-4
http://alexmod.do.am/forum/10-67-1

http://alexmod.do.am/_fr/0/4214325.jpg

負け抜きTHDバトル
http://sonove.angry.jp/thd_battle.html

Acoustic options
http://www.microsonic-inc.com/index2.php?section=49

歪み
ER-4S
http://sonove.angry.jp/Distortion_at_100dBSPL/THD_ER4S_2.gif
Klipsch X5
http://sonove.angry.jp/Distortion_at_100dBSPL/THD_X5_2.gif
ATH-CK100
http://sonove.angry.jp/Distortion_at_100dBSPL/THD_ATH_CK100_2.gif
AKG K3003
http://sonove.angry.jp/Distortion_at_100dBSPL/THD_K3003_2.gif