Easy assembly saves installation time, effort, and cost Tile support rail for 2'x4' ceilings included 2'x2' perforated grille over entire front; off white or bright white finish 8" cone speaker with 10oz magnet and tweeter, and 25/70V transformer 5 power taps (4W, 2W, 1W, 1/2W, & 1/4W); selectable by rotary switch Listed to UL standard 1480 for US use Off white
