CMX Audio is a top-3 PA system factory in China, 10 years history, more than 120 employees and 6 develop engineers.We develop and sales IP PA AUDIO, EN54 voice evacuation system, Wi-Fi Conference System, Wi-fi amplifier & PA speaker. Our products are certified by ISO9001, CE, IEC, ETL, RoHS, EN54 certificates and of 3 years quality warranty.We have more than 15 exclusive distributors worldwide and 22 OEM/ODM customer across USA, Germany, Italy, Spain & Poland etc.