http://harmanprogroup.blogspot.com/2013/10/harmans-akg-k812-reference-headphones.html
The K812 offers an oversized 53mm driver for the highest dynamic range ever in an AKG headphone. Its copper-covered aluminum voice coil extends sounds beyond the limits of human hearing, hitting a full spectrum of frequencies.
入手耳機種類數目累積: 耳罩109 + 耳道42; http://sopp06.blogspot.com/





























































































