Suited to background music and paging announcements the BS-678 has a 160mm double-cone driver with a wooden cabinet that has a 'stylish compact and unobtrusive design' delivering 'highly cost-effective performance'.The cabinet which may be installed either horizontally or vertically is made of PVC coated particle board the baffle of resin and the grill of steel plate net. Connections are made using push-in type input connectors the power settings are adjusted by changing the tap position on the transformer. The speaker may be mounted directly to a wall with screws for greater security.FeaturesTypeCabinet Single/ PairPair Wall mountableYes Weight1.7 Kg