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. YJ18TBW100 Speaker is an 18-inch high-performance subwoofer designed for professional audio applications. With its robust construction, it delivers powerful bass and exceptional sound clarity. Ideal for large venues and outdoor events, this speaker ensures impressive audio performance and reliability for DJs and sound engineers.