BlueSound BCS250 Passive Ceiling SpeakerThe BCS250 is a premium passive commercial grade ceiling speaker, specifically designed for both low impedance and constant voltage scenarios. With a discreet flush mounted design, the BCS250 is ideal for environments where wall space is limited such as small cafs and shops, as well as a wide range of retrofit and new build applications. The low impedance option delivers better audio quality overall, while the constant voltage option is ideal for