Full range in-ceiling loudspeaker feature exclusive wafer-thin Sheer-Grille. Grilles have nearly transparent, ultra-small size. It is acoustically inert for dynamic, unimpeded sound and more uniform coverage, even in larger rooms. Its lightweight polypropylene cone and sensitive silk dome tweeter can be angled for superior off-axis performance. The woofer driver behind the main speaker adds unparalleled depth and dynamics to performer.