ATI Pro Technologies the brand is more precisely into research and development of pro audio & lighting products. We specialize in offering top-tier lighting solutions at competitive prices. Analog Crossover Model SC203 is a 3-way crossover designed for optimal sound distribution in audio systems. It precisely divides audio signals into three frequency bands, enhancing clarity and performance for bass, midrange, and treble outputs. Ideal for audiophiles and professionals seeking superior sound quality in their setups.