The BS-678 is a double-cone type speaker with a wooden cabinet that has a stylish compact & unobtrusive design & that delivers highly cost effective performance. A push-in type input connector allows easy cable connections & bridge wiring. The selectable input impedance can be easily adjusted by changing the tap position of the unit&153;s transformer. 6 (16cm) double cone speaker unit ensures high-quality sound making the BS-678 ideal for BGM & announcement applications. It can be installed in either a horizontal or a vertical orientation. Its structure permits direct wall installation with screws making the speaker unit resistant to falling even if outward force is applied to it.\n\n&162; Stylish compact & unobtrusive design\n&162; Quick & easy installation\n&162; High cost-effectiveness\n&162; Horizontal / vertical installation\n&162; Ideally suited for BGM & announcements Features Type Wall Wall mountable Y 100v Line Y