ATI Pro Technologies the brand is more precisely into research and development of pro audio & lighting products. We specialize in offering top-tier lighting and audio solutions at competitive prices. An XLR connector is a type of electrical connector commonly used in professional audio, video, and lighting equipment. It features a circular design with three to seven pins or sockets, providing balanced audio signals. XLR connectors are durable, locking in place for secure connections, ensuring minimal interference and noise.