Guangzhou CMX Audio Co., Ltd is the leading IP public address system, IP network audio system, EN54-16 digital voice alarm system, digital Class-D Amplifier and digital AV conference system manufacturer in China, we have one around 2,000 SQ meters factory well equipped with 2 SMT machinse. Our factory is well quality-oriented ensure to deliver European Standards sound system in a short time. The quality control system is strictly followed by ISO9001 and ISO14001. We commit 5 years quality warranty to our customers. Most of products are compliant with CE, RoHS, CB, EN54-16, EN54-24, FCC or UL, speaker with IP66 waterproof and fireproof certificate. Our Motto: Customer Success Before Ours. Our Product Range: -Public address mixer amplifier, power amplifier and class-D amplifier. -EN54-24 Public address ceiling speaker, column speaker, horn speaker, wall mount speaker, fashion speaker, garden speaker, projection speaker, fireproof speaker, explosion-proof speaker, under water speaker and siren horn speaker. -IP network audio system & IP PA system. -EN54-16 Digital voice alarm & evacuation system. -IP network intercom system. -Audio, Video & Telephone Conference system, IR wireless conference system, simultaneous interpretation system. -Pro mixing console. -Pro amplifier -Pro loudspeaker -Microphone, wireless mic, wired tabletop mic, wired dynamic mic -Volume control -19" Rack mount cabinet and cable Out Goal: To be Digital Public Address System & Conference System Expert.