Designed to deliver powerful low frequency performance and unmatched value CS Series active subwoofers provide a subsonic boost to enhance performances and events. Expanding and elevating the C Class loudspeaker lineup with simple plug-and-play deployment, CS Series subwoofers offer clean, impactful low-frequency performance for DJs, musicians and bands, event production professionals, houses of worship and small-format installations. Engineered for reliability and portability, both models feature rugged lightweight enclosures for effortless transport and setup. CS Series features simple and intuitive onboard controls as well as expanded functionality via the QSC Loudspeaker Control app over Bluetooth® for ultra flexibility.