1.产品型号：Sennheiser Ie80
CX300 II 黑色
CX870 (基本同cx880):
Momentum over ear 黑红色/棕色
on ear 黑色/蓝色
Westone advantrue beta
AKG K7XX
Lexicon alpha
Denon c710
1.产品型号：Ie80 7700
CX300II 1180
CX870 1500
Momentum over ear 6000
on ear 2900
Westone advantrue beta 1900
AKG K7XX 7800
Lexicon alpha 2000
Denon c710 2080
3.购买时间、地点：Cx870 -Jr.com
adv beta - beach carema
k7xx