Bogen ACD2X2 Active Drop-In Ceiling Speaker (Off White)Priced individually, but sold in pairs. Bogen's ACD2X2 Drop In Ceiling Speaker is a full range speaker that allows for fast and easy installation, which saves installation time, effort, and cost. The ACD2X2 is a 2' x 2' speaker that fits perfectly into place in 2' x 2' ceiling grids without needing to cut ceiling tiles or requiring the use of tile support rails. The ACD2X2 can also be easily installed in 2' x 4' ceiling grids just make one cut to the