Boston Acoustics introduces three new in-ceiling loudspeakers, including the 3½ " Models HSi 430 and HSi 435 (MSRP: $250) as well as a coordinating 6" subwoofer, Model HSi S6W2 (MSRP: $500). All three are meant to resemble small lighting can fixtures. Besides their small size, the speakers also have a dramatically reduced visible bezel and ...