We are Tianjin Yajia Music Instrument Company in China, P.R.C. We are a professional supplier of amplifiers, serving customers with guitar and bass amplifiers, digital mixer amplifiers, and other multi-function amplifiers. Our products have passed numerous international standard certificates. To name a few, these include the U.S. UL Certificate, the Canadian CUL Certificate, the National Electric Products CCC Certificate, International Electric Commission (IEC) CB Certificate, and European Economic Community (EEC) CE Certificate. Our annual production can reach up to 200,000 units. We have a strong R&D force with more than ten technical staff. We have more than forty models with power ranging from 5W to 200W. We sincerely hope to hear from you and collaborate with you in the near future!