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. XLR Connector is a professional audio and lighting connector used for transmitting balanced audio signals. It features a robust, locking design with three to seven pins, most commonly three. XLR connectors are widely used in microphones, mixers, and other audio equipment for reliable, interference-free connections.