The SYSTEM 14 1' x 2' Ceiling Tile Replacement 70V Loudspeaker Series is a complete shallow depth, lightweight loudspeaker assembly with an 8” O.D. loudspeaker with foam edge surround and coaxial mount piezoelectric ceramic HF, multi-tap, extended frequency response low-loss transformer, perforated steel baffle and integral molded 617 CID fiber enclosure. Cable clamp is included; three (3) seismic tie-off points. No assembly required. Includes one 24" "T" bar to finish edge.