OBT-9808 IP сети Ethernet оповещения по громкой связи беспроводной микрофон для конференц-системы оповещения Система внутренней связи

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Product Overview


Product Description 


NP PA system is compatible with IP telephone as well as video public address system.
NP PA system is compatible with communication system such as VoIP telephone, IP PBX etc.
NP PA system can page Hikvision & Dahua’s video surveillance system directly



1. Professional dial-up network to the point, intercom, multicast, and broadcast terminal;
2. Suitable for indoor and outdoor environments to install, can use for two-way intercom communication ;



1. Appearance neat, beautiful lines, durable, desktop and wall-mounted optional;
2. TFT color screen display, screen-friendly, high-keyboard design, 21 pieces of numeric keys and function keys, display clearly, easy to operate;
3. Built-in high-level speakers, 10 electronic volume control;
4. The device uses an embedded linux technology and DSP audio processing technology design; using industrial-grade chips;
5. Numeric keypad dialing, call any terminal, achieve full-duplex intercom;
6. Can be connected to an external speaker, voice calls are clear and loud;
7. Built-in high sensitivity microphone, wide area of the sound capture, high sound reproduction ;
8. Support wired network internet access modes;
Support four ways to get tracks : the server, local memory, U disk and line in

10. Support remote unicast, multicast and all broadcast in a LAN environment ;
Two kinds of working modes: online and offline, still can perform timing tasks when

there is a failure of network.

12. One audio auxiliary output, external expansion to active speakers or headphones;
13. One local signal input, achieve external audio input and implement the local emergency broadcast input;
14. a DC5V power supply interface;
15. Can connect
to the Ethernet wherever there is a Ethernet port, support cross-segment and cross-routing.



Technical parameters:




Network Interface

Standard RJ45

Protocol Support

TCP/IP,UDP,IGMP(group broadcasting)

Audio Model


Sample Rate


Transmit Speed


Audio Format

16 digit stereo CD tone

Output Frequency




Noise Signal Rate


Auxiliary line input level

350mV RCA Screw terminals

Speaker Output Impedance

and Rated Power Output


,RCA Screw terminals

Line Out Voltage Input

1000mV 3.5 Screw terminals

Line Out Resistance Input


MIC Input Sensitivity


Working Temperature


Working Humidity


Power Consumption


Standby Power Consumption


Power Supply








Product Pictures 




Process Technology




Company Introduction



ShenZhen OBTPATechnology Co., Ltd. (www.obtpa.com) is a collection development, production and sales of public broadcasting series of high-tech industrial company.The Headquarters is in China's southern economic and technological frontier --- Shenzhen. Company was established in 1999.adhering to innovate and create value for our customers business philosophy,we have made great progress in the development, production and sale of process equipment in the public broadcasting system to create and establish a good
image in the public broadcasting industry brand - OBT.


Our company is always in pragmatic business philosophy for partners to provide the best products and efficient service. Looking forward to cooperating with friends from all walks of life based on common development. On the operation and management, we' re constantly improving the marketing management system and the promotion of comprehensive competitiveness of enterprises. Internally, in each big, middle cities set up marketing network and service system to provide quality technical support and after-sales service; Abroad, our products have been exported to Hong Kong, Macao and Taiwan, southeast Asia and Europe and the United States market,quality and process are recognized by the vast majority of customers OBT brand main products include: public broadcasting system, fire emergency broadcasting system, the campus computer addressable broadcasting system, digital addressable broadcasting system,conference system and a series of ancillary equipment and various indoor and outdoor column, wall hanging speaker, lawn speaker, flat speakers, smallpox horn, horn speaker, volume controller, radio receiver and professional broadcast cabinets, etc. Products can be widely used in sports venues, conference and exhibition center, hotel, school, supermarket, park, sauna, stations, factories, residential and other public places. Looking to the future, we 're confident on our present business! High quality products, first-class service; which will always be OBTPA permanent commitment to you! Let usjoin hands and create a bright tomorrow! 


In the 21 th century, It is more incentive and cruel in the economy market competition. In fact, It is based on talents' competition.


The human resources of OBTPAPASystem' s concept will show in the organization structure, function, management target, etc, andwill make it more creative and humanized.


Plant & Equipment


Packaging Shipping





The Exhibition


Customer Photo






Our Service


Q:May we become an OBTPA Distributor?
A: Yes, you will be most welcomed in our Network of Distributors. Please let us know about your interest in becoming one of them. We are very keen to broaden our sales network and we will be very happy to have you as our esteemed distributor.


Q: Does OBTPA provide Technical Training for its clients and distributors?
A: Yes. Providing technical training to our Distributors is a very important matter for us. We provide training seminars in our factories upon requests and also at scheduled times. These training seminars are free of charge for the attendants who only have to take care of their own transportation and hotels costs. Please contact us if you are interested in attending one of these seminars. Also we provide teaching videos to our customers. For some difficult questions, we can arrange meetings between our customers and our engineers through phone .Skype


Q:Does OBTPA provide Commercial Training for its clients and distributors?
A: Yes. This can be done during a previously arranged Technical Training, as mentioned above, or as a separate event. Please contact us if you are interested in attending one of these seminars.


Q:Is it possible to organize in-house training for our engineers and salesmen?
A: Yes, we can accommodate to this request. However, charges may apply. Please ask for conditions.


Q:What is the warranty of the OBTPA products?
A: Please see our quality commitment as follows:
ensure our products and technical services assume full responsibility for the quality.
for the products from the date of acceptance, the warranty period is two years, if quality problems occurred within one year, we provide free replacement parts;
warranty expires, the supplier will provide maintenance / repair services, only charge for material cost;


Q:What standards do the OBTPA products and systems comply with?
A: Our products comply with CE standards, CCC standards and contract requirements, We produce the products which can meet the customers’ satisfaction. And our company have got the certification of ISO9001,ISO14001,ISO18001 and CE.


Q:Can the OBTPA products and systems be integrated with other systems like Fire Alarm, Building Management Systems and so on?
A: Yes, they can be integrated with other systems through several different ways


Q:Does OPTPA have a standard solution for any request of a Public Address / Voice Alarm System?
A: Having been in this field since 2003 and with our comprehensive catalogue of products and systems, we would say that we have standard solutions for almost any requests. We are glad to analyze and propose tailor-made solutions for the satisfaction of the Clients, Distributors and System Integrators.



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