CMX AUDIO is the leading China AV system integration manufacturer of professional audio video system integration, IP public address systems, EN54-16 Digital Voice Alarm Systems, Class-D Amplifiers, IP network audio systems and IP speakers & amplifiers, 5G conference system, Wi-Fi conference system, with strong R & D support for OEM/ODM service, 3 years quality warranty, with UL, ETL, EN54-16, EN54-24, ISO9001, CE, EMC, FCC, IEEC, IP66 ETC certifications, with 6 before and after sales technician for system integration and English techincal support, factory of ERP, MES & CRM & OA system to support quality consistency. https://www.youtube.com/watch?v=HwlAWKWLgdc Guangzhou CMX Audio Co., Ltd. is the leading Chinese manufacturer of IP public address systems, EN54-16 Digital Voice Alarm Systems, Class-D Amplifiers, IP network audio systems and IP speakers & amplifiers. With approximately 1,500 square meters of factory production space and over 50 qualified staff, we have the ability to handle all of your production...