loudhailer

Use a loudhailer to address the crowd .

用电子喇叭向人群讲话。

The colonel , using a loudhailer , tried to reassure the residents .

上校用手提扩音器传话，竭力要想让居民放心。

The designment of control module of attemper loudhailer system based on computer network

网上扬声调度系统管理控制部分的设计

Power amplifier and loudhailer are used in sound field generating system to product stable sound field from voice-frequency signal generator .

声场产生系统中使用音频信号发生器，通过功率放大器，最后经大功率的扬声器发出纯音以形成稳定的声场。

Guangzhou Chuanteng Electronic Technology Co. , Ltd is a new enterprise specialized in designing , researching , producing , and selling high-quality vibration loudhailer .

广州市川腾电子科技有限公司是一家致力于设计、研发、生产、销售高品质振动扬声器的新型企业。

Voice Coil Motor ( VCM ) is a special type of linear electric machinery , which is similar to the voice coil of loudhailer in work principle .

音圈电机（voicecoilmotor，简称VCM）是特种直线电机，其工作原理与扬声器的音圈类似。

They bellowed at us through loudhailers .

他们通过扩音器对着我们大声吼叫。

Compared with analog power amplifier , digital amplifier has many advantages , such as Hi-Fi , high efficiency , good match between amplifier and loudhailer , easy update , convenient debugging and so on .

数字功放产品相对模拟功放有很多的优点：高效率、保真度较好、功放和扬声器的匹配好、升级换代容易、生产调试方便等，且与未来的全数字式音频广播、高清晰度电视的发展趋势相匹配。

Out of frustration , the secretary of the Management Committee of Taizhou Binjiang Industrial Zone was helplessly forced to knell down on the dinning table to plead for mercy through a loudhailer .

无奈之下，参与吃饭的泰州市滨江工业园区管委会书记跪在酒桌上用话筒喊话，向群众求饶放人。