浙江快乐12玩法: 視頻:新型入耳式監聽系統PSM 900 (Pro Light + Sound 2010)

Tuomo Tulonen (Applications Engineer, Shure Distribution UK) presents the new PSM 900 In-Ear Personal Monitoring System

Presentation of the new PSM 900 In-Ear Personal Monitoring System with unique features at the Pro Light + Sound 2010

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