JUMBOAUDIO is the global leading manufacturer in speaker box industry with more than 10 year`s history and experience since 2007. There are 3 manufacturing bases covering 40,000square meters, with annual production capacity of 1,200,000pcs. JUMBOAUDIO boasts more than 30,000 retail shops and chain stores and over 10million users. It also has a strong R&D team of 12 professional technicians,annually developing16 new models and2 independent patents. JUMBOAUDIO has 14Automatic Speaker Assemble Lines, comprising 7working precedes and 10key quality control points.JUMBOAUDIO is one of very few manufactures that can develop speaker boxesindependently in ODM& OEM field and it also the leader in the speaker box industry. It took the lead to introduce the speaker box into chain stores directly. JUMBOAUDIO has ahighly efficient quality control team to ensure the processing lines provide the cabinet/ amplifier/surface and parts with qualified and excellent performance. JUMBOAUDIO amplifier production lines advance technology and SMT lines make qualified material in quite efficiency and excellent quality. JUMBOAUDIO is one of the very few manufactures in the industry that has own R&D and amplifier workshop. Amplifier workshops contain 5 lines, including CNCand SMT automatic lines. The most advanced technology facility in this field it contains1Automatic AOI Inspection Machineof the amplifierand PCB boards. JUMBOAUDIOhas advancedmanagement system, including ISO9000/BSCI and ERP system etc. ERP system successfullyhelps China dealer choose products and place order online over 110 different parts, and it can be delivered within 30days in parts order.We also haveour products passed the certification by the TUV & VDE laboratory,and also the CE/FCC/NOM/ IRAM certification.JUMBOAUDIOdistribute products in overseas markets, including US/Latin American/South Africa and Europeans all over the world.