wireless microphone

基本解释

U-7000 is a PLL Synthesized dual channel UHF wireless microphone system with 16 user selectable channels.
是一个相位锁定频率合成UHF双频道的无线话筒接收系统，具备16 个预设的互不干扰频道供选择。
faith-sound.com
But as I picked up the wireless microphone and began my speech, I realized in horror that my public address system was silent.
但正当我拿起无线话筒开始发言时，我惊恐地意识到我的扩音器不起作用了。
blog.sina.com.cn
Beside the chair is a wireless microphone used to deliver the news through the gymnasium's sound system, heralded by the four-chime alert often heard in train stations and airports.
椅子旁边有一台无线电话，通过体育馆的音响设备来播报新闻。这一播报由在火车站和机场里常常听到的警报声下达指令。

To access all of the features, an Xbox 360 Headset, Xbox Wireless Microphone or an Xbox 360 compatible USB microphone is required.
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Initial operation under this approval will be limited to Wilmington, NC and the surrounding area and will expand nationwide pending completion and activation of the Commission's facilities for processing requests for protection of unlicensed wireless microphone at event venues.
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To support the intelligent audio applications on these smart mobile devices, the Sound BlasterAxx also features advanced Bluetooth wireless audio connectivity and a high-quality dual-microphone array.
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