ST Series is a practical solution for high intelligibility speech and audio applications, covering infill or delay, production studios, presentations and high power music sound reinforcement with or without subwoofers. A key requirement for everyday audio systems, delivering simple ‘plug and play’ solutions, without compromising performance and portability. Legendary RCF transducer technology coupled with state of the art digital amplification topology resulting in a perfectly optimized loudspeaker series. The ST Series provides high end audio coverage even at extreme sound pressure levels, unmatched reliability and acoustic compatibility across the whole series.