无码毛片高潮一级一免费,国产一卡久久电影永久,免费黄片国产一区二区三区,亚洲淫秽视频大全

Set Index |  Collection
 

Product list
Sound system
Public broadcasting system
Video conferencing system
Products
Long-distance loudspeaker HJ-Y300
室外遠程號角揚聲器
 
Instructions
Parameter
ModelHJ-Y300  

Rated power:300W

Line voltage100V/8Ω

Sensitivity98±3db(1m1W)       

Frequency response:60-18KHz 

The maximum sound:125dB 

Flightshot:300M

Point: 20×40

Speaker12"+alt

Physical dimension520W×730D×520Hmm 

The material of the boxFiber Reinforced Plastics

Weight:40.5kg

Print【Back】Close
Copyright © 2014-2020  Guangzhou qixiang all rights reserved.
Address: guangzhou baiyun district ishii lake houses door tian industrial district ling - industrial zone zip code:510450
Tel:020-31232523(eight lines)