Simplex 4902-9721 Round Speaker (White)

Simplex 4902-9721 is a round White Speaker is suitable for ceiling or wall mounting. The multi-tapped speaker transformer accommodates either 25 or 70.7 VRMS and provides an output of/from 1/4 to 2W. OPTIONAL MOUNTING ACCESSORIES — 4905-9999 Red wire guard with mounting plate; compatible with semi-flush or surface mounted boxes; for use with 4” square electrical box mounting hole patterns only. — 2905-9946 Tile bridge 7 ½” Diameter x ½” D (191 mm x 13 mm)