loudspeaker

noun

1. electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

Synonym: speakerspeaker unitloudspeaker systemspeaker system

1. 扩音器；扬声器；喇叭
A loudspeaker is a piece of equipment, for example part of a radio or hi-fi system, through which sound comes out.

1. 喇叭：耳机是用来当FM的天线的... 所以插耳机是免不了.. 声音当然也可以从喇叭(Loudspeaker)出来, 用Side keys(手机右上边边有3个键)的中间那个切换.

2. 扬声器：宣布位於中国上海的威格斯亚洲创新与技术中心(AITC)创立三年以来始终倾力服务亚洲客户,目前该中心的设备技术已经得到全面升级. 受话器(Receiver)与扬声器(Loudspeaker)的特性差异为何?

3. loudspeaker的解释

3. 扩音器：按基於公众直接收听或收视为目的,藉由无线电波或是有线电缆,将原播送之节目接收后,再以广播系统(broadcast)或以扩音器(loudspeaker)向公众传播之行为,即属於著作权法第三条第一项第七款「公开播送」之「再播送」行为或同条项第九款「公

4.

4. 扩音器, 喇叭：lost-head nail 断头钉 | loudspeaker 扩音器, 喇叭 | lubricant 润滑剂