CKS ACOUSTICS CSP 900 speaker is a full range dual 15″ high power passive speaker. With very high power. The 15″ Dual + HF CSP900 is a passive PA speaker that’s portable, versatile, and simple to use. It can function as a main PA in a wide variety of positions, with a pair able to cover an audience up to
700 PPL. These are best for DI’s, PA use, keyboards, vocals, studio monitors, religious places, weddings, and full bands.