School indoor and outdoor lecture teaching PA Agencies and organizations, outdoor activities, hiking explain PA Commercial promotion of goods held by the PA and other promotional activities Organizations, groups, indoor, street, square provisional assembly, lecture PA Exhibition guide, transportation temporary command of the community in various activities organized by public address, etc.

Typical customer:

Qingdao Laoshan District Government Office Administration

Foshan Environmental Protection Bureau / Economic Bureau / Museum

Gaoming District Government Office

Huoshan County Procurement Center

Yixian County, Huangshan City of Anhui Province People's Government

Radio and television should Anfu County of Jiangxi Province

The second steel plant in Taiyuan of Shanxi Province

Geng Dan College of Beijing University

Beijing No. 18 Middle School

Beijing Foreign Language School

System features:

UHF ,700-960MHZ UHF system, professional channels PLL frequency synthesizer design digital lock, 32 channels are free to change Channel adjustment to change the way infrared data transmission frequency of transmitter Built-in high-power switching power supply and large-capacity battery, suitable for all occasions Not interfere with automatic channel search function to ensure that the frequency of use without any interference Sound mute lock code technology without any noise interference Hidden receiver built-in antenna Receiver easy to shoulder, hand, place your desktop Audio output, an external amplifier, sound quality better With "tone" control to achieve the best audio output SMT automated production of advanced technology to ensure product quality More than the same receiver can receive both channels using a larger volume of output Audio input, external wired microphone, Walkman, CD and other audio and wireless microphones simultaneously V transmitters use normal or rechargeable "AA" batteries a (hand-held wireless microphones), two (Bodypack) Receiver LCD display on the LCD screen can not only received signal strength, audio output amplitude, the number of channels, receiver battery and other information, can also display the transmitter battery power.