Main features:
◆ Using UHF550MHz ~ 980MHz band, PLL frequency synthesis phase locked loop technology, frequency adjustable, transmission power adjustable, avoid interference frequency;

Integrated CPU bus control, with digital LIQUID crystal interface display, easy operation, outstanding performance;

Adopt multi-stage narrowband high frequency and intermediate frequency selection filter, fully eliminate interference signal;

Adopt audio compression and extension technology, the noise is greatly reduced, the dynamic range is enlarged;

◆ It has the function of inhibiting and weakening back input scream, which can effectively reduce back input scream;

The receiver uses multistage high-frequency amplification, with high sensitivity;

Multiple noise monitoring circuit, AD hoc ID code verification system, so that it has good anti-interference characteristics;

The selection of wafers and high-quality parts, so that the machine excellent sound quality;

◆ The maximum space use range is 100 meters, and the ideal space use range is 60 meters;

◆ Optional hand microphone, head wear, collar clip. Operating frequency: 550MHz ~ 980MHz

Modulation mode: broadband FM

◆ Number of channels: 100

◆ Channel interval: 300kHz

◆ Frequency stability: ±0.005%

◆ Dynamic range: 100dB

◆ Maximum offset: ±45kHz

◆ Audio frequency response: 60Hz-16khz (±3dB) ◆ Comprehensive SNR: > 95dB

◆ Comprehensive distortion: ≤0.5%

◆ Working distance: 80m (in the ideal environment) ◆ Working environment temperature: -10℃~+50℃ receiver ◆ Carrier frequency: 550MHz ~ 980MHz (adjustable) ◆ Power adapter voltage: AC110V-230V 50Hz/60Hz (please use according to the housing and power adapter mark) ◆ DC input voltage: DC12, DC15V 1500 ma

◆ Power consumption: 13W

◆S/N SNR: ≥95dB

◆T.H.D distortion: < 0.5%

◆ Frequency response: 60Hz-16khz

Shenzhen OBTPA Technology Co., Ltd(www.obtsys.com) is a company which integrates research & development, manufacture and sales. It stands out of the high-tech industry realm of public address system among other competitors. Our company has been always adhering to the business philosophy of continuous innovation and creating value from customers since 1999 when the company established, hence a various of products has been successfully used in the big famous events such as the Olympic Games, World Expo, Asian Games, etc. these achievements make us gain a various of patents and establish a good brand image in the industry.

All products have assed CE, FCC certificates, and the “OBT” brand trademark has been registered in the European Union, the United States and Japan.

Our company has always focused on the innovative development of audio and video applications. Its products cover analog PA system, digital PA system, SIP video PA system, POE network audio speaker, professional audio speaker, paperless conferences, video conferences and other products, after more than 20 years of development, we have independent research and development, production and application design capabilities, can well solve the compatibility, reliability and advanced issues of communication, emergency, command and other issues. Products are widely used in the safe cities, smart parks, smart campuses, smart hospitals, and smart stations and other fields, successfully established a good brand image—OBT. We are committed to developing into a world-class video integration PA system manufacturer.