Sinbosen Audio it’s a Firm whose roots are deeply embedded into Guangzhou.Our Brand is Aoyue. We make various kinds of professional audio equipment, such as switching power amplifier, Digital amplifier, DSP amplifier,Microphone and Pa speaker .Sinbosen audio have nearly 50 employees; among them are 3 expertise designers, 6 QC staffs and 4 technical managers on site. We cover an area of 3,000 square meters of production workshop, and possess 5 lines of assembly streamlines.Sinbosen audio makes great efforts on quality and products development, now we cooperated with many clients overseas and our products have exported to more than 60 countries. We has good relationship with USA,Europe and South America. And our products have CE, ROHS, FCC, BQB certifications.Sinbosen audio provide OEM/ODM service for 6 years and has obtained consistently high praise from our customers since it was set up. Normally our lead time for mass order is 3-7days,for example 50pcs amplifiers can be finished with 3-5days.Small order or customized sample is welcomed.Our company support three years warranty. Any problem welcome to contact us. Our services team is 18hours online.We will supply free after-service if any quality or product problem.Sinbosen audio's Dream is to be a Sound creator,Rocking the world.