IC-52 (Atmospherix A20) In-ceiling LoudspeakerSound directed to your listening position Discreet home cinema Fully enclosed back box Featuring an angled baffle behind the slim magnetic grille, the Atmospherix A20 directs sound toward your seating position for improved clarity in high definition music and movies. The IC 52 (Atmospherix A20) incorporates a 20 degree angled baffle to project the sound to your primary listening area. This means less sound is reflected off walls and other surfaces.