Merely 4.56” in visible diameter, the DI 3.5R is sleek, easy to install, and meticulously designed to disappear into walls and ceilings. This impressive little loudspeaker delivers thrilling audio performance that immerses the room but never intrudes on your space. The culmination of decades of engineering, DI Series Loudspeakers deliver sensational sound quality while virtually disappearing into walls and ceilings with our hidden flange design. Treat yourself to dynamic bass, smooth midrange, and sparkling treble with little impact on your décor.