The JBL 6.5" Control 426C/T CRBI-Equipped 2-Way Coaxial Ceiling Loudspeaker with Low-Profile Enclosure features a 6.5 woofer and and a low-profile enclosure ideal for applications where ceiling plenum space is restricted. Integrated CRBI technology provides 110-degrees of consistent, full, rich sound to the listening area. A full-face magnetic grille blends seamlessly with modern decors and mechanical improvements include redesigned terminal covers with top and side cable entry ports and an extremely reliable new dogear design that works with a wide range of ceiling thicknesses. The JBL Control 426C/T includes a transformer to support both 70V/100V and low impedance applications.