System advantages:                                    

1 Digital audio switching host used the standard USB 2.0 interface with the host compute;

2 .High-speed digital audio mixer, transmission capacity make the voice delay is less than 1 ms;

3. Advanced semiconductor embedded (DSP) technology to make the system highly integrated, simple and stable;

4 .Low-carbon, environmentally friendly, energy-saving;

                                       Functions:                                            

                                                              Product pictures:                                   

                                  Topological Graph:                                    

                                      Packing & shipping:                              

Standard export carton packing

Packing with customers’ requirement.

                                Certifications:                                             

                            Company Information:                                    

    Shaanxi Greelan Technology Development Company which manufacture and export language learning lab for 12 years. Our own factory passed ISO9001, ISO14001, ISO18001.Our products have passed the China Education Institute of Technology and Related Quality Inspection Department Inspection Certification and recommend, and many users’ praise.

    After 12 years of development, the company has become a well-known enterprised in the field of national audio-visual education. Our brand "GREELAN" enjoyed a good reputation, the benefit of millions of teachers and learners in Greenlan products is convenient, accurate and efficient!

    In order to provide more reliable products, higher quality of service and a more perfect solution, our company adhered spirit of the "honesty, positive, simple and happy," to the education career development

                                About our service:                                  

Pre-sale service

We should offer a comprehensive project design to customers within half an hour from reciving reffering .

Selling service

We will sign customers a standard contraction, and set up a case from manufactory, transportation, fixing, debugging and training design.

After-sale service

Our video equipment is guaranteed for three years from your acceptance, and provide software update service for free also we could provide matching teaching resources bank for free.

We offer twenty four-hour technology assistance on everyday. Service Hotline :400-686-1878.We also pay a return visit no less forth each term.

Thanks for your consideration, any questions, pls do not hesitate to contact us, more info will be sent to you within 24 hours.