The SYSTEM 15 is a complete, shallow depth, lightweight, 2' x 2' ceiling tile replacement loudspeaker system consisting of an 8C10FECO - 8" O.D. foam edge, coaxial loudspeaker with a 10 oz. magnet and a TCH70 - 10W-70V transformer. Molded fiber enclosure is 1412 CID. Steel baffle with standard perforation and four (4) seismic tie-off points. Cable clamp is included. No assembly required.