Saga Sound Series Home Edition 12-zone Dual Source Stereo Speaker Selector SAGEBRUSH Description The SAG5500HE series speaker selectors are highly efficient dual source, imp selectors. These high-quality speaker dance-matching selectors are designed for use with either 4-ohm or 8-ohm amplifiers and 4-ohm to 8-chm speakers. The SAGEBRUSH speaker selectors are equipped with a low-frequency protection circuit to reduce subsonic signals. This allows high power operation without amplifier shutdown.