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. A Crossover Network is an electronic circuit used in audio systems to divide a full-range audio signal into separate frequency bands. It directs low, mid, and high frequencies to the appropriate drivers—subwoofers, mid-range speakers, and tweeters—ensuring optimal sound clarity and performance across the audio spectrum.