The ACD2X2 full-range speaker is quick and easy to install. Simply wire it and drop it into place.This saves installation time effort and cost. - 2ft. x 2ft. design fits into 2ft. x 2ft. and 2ft. x 4ft. suspended ceiling tile spaces (support rail crossbar included for 2ft. x 4ft. ceilings) - Finely perforated grille covers entire front of speaker panel - Fully enclosed industrial grade steel construction - Self-contained 1-watt amplified - 8in. main cone speaker - Front-mounted recessed volume control - Non-reflective white finish - ETL listed for US and Canada - Complies with UL-2043