[12/18/2016] Beyerdynamic DT-770-PRO-32 Closed Dynamic 系列高傳真耳機，Beyerdynamic DT-770-PRO-32 Closed Dynamic Headphone for Mobile Control and Monitoring Applications, 32 Ohms，定價$399，目前特價只要$120.80 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買：amazon。
[12/18/2016] Beyerdynamic DT-770-PRO-32 Closed Dynamic 系列高傳真耳機，Beyerdynamic DT-770-PRO-32 Closed Dynamic Headphone for Mobile Control and Monitoring Applications, 32 Ohms，定價$399，目前特價只要$120.80 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買：amazon。