BS-1030B Universal Speaker\n\n&162; The speaker&0s smoothly curved surface permits it to blend in with virtually all modern buildings. \n&162; A built-in matching transformer permits the speaker to be used for both high-impedance & low-impedance (8 &206;&169;) applications. The impedance can be easily changed from outside the speaker. \n&162; A splash-proof design enables the BS-1030 to even be installed outdoors in a location not directly exposed to the elements such as under eaves. \n&162; Mountable to wall surfaces directly or using with supplied or optional mounting brackets. Features Type Wall Single/ Pair Single Wall mountable Yes