Since its release, the d+ Class B series has become a global benchmark for DJs, musicians and producers due to its solid, reliable sound and quality workmanship. The reliability of the d+ Class B series is proven by the fact that it has been installed worldwide by many professional clubs, festivals and studios. The d+ Class B series brings the highest quality and cool design to DJ equipment, audio interfaces, speakers, mixers and other sound equipment. The best combination of materials and structure is used to improve sound systems and live experiences. Designed and manufactured in Japan by Oyaide.