SIMPLEX 4902-9721 MULTI-TAPPED ROUND SPEAKER CEILING WALL OUTPUT 1/4 / 2W ?NEW? 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 oe? Diameter x oe? D (191 mm x 13 mm) We are selling a huge amount of new alarm equipment! Please take a look at our other listings! Feel free to message me for an inventory list including other items that we haven't listed yet! *WE CAN WORK OUT A DEAL FOR BULK ORDERS* SHELF: A (Warehouse)