The UE700 is the same product but we added more silicone ear cushions (in smaller sizes), improved the packaging, changed the carry case and LOWERED the price to $149.99! We expanded the Frequency Response to 20k because although the human ear cannot hear at that level, the UE 700 does respond/make noise at that level. But the Frequency Response did not change - it has always been up to 20k but in our original specs, we only specified what the human ear can hear.
這是UE自己公佈的, 可信度算100%吧
入手耳機種類數目累積： 耳罩109 + 耳道42； http://sopp06.blogspot.com/
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