OSD Audio 4 Zone Speaker Selector Switch Impedance Protection ISS4

SOUND QUALITY: The High Power Speaker Selector is an effective way to distribute music to four listening zones and play any pair. It is constructed of 16-gauge steel with a durable black powder coating and gray silk-screening. POWER: The ISS4 includes selectable impedance matching protection circuitry allowing a single amplifier to power multiple pairs of speakers and up to 70W per channel with engaged protection. CONNECT: The phoenix connectors on the ISS4 are easily removable to give better leverage when terminating the cable. With screw-down terminals, the speaker wire will never come loose. IMPEDANCE PROTECTION: With the ISS4's impedance protection, one receiver or amp can safely power several pairs of speakers. Run 140 watts per channel total input power without engaging the manual protection. EASY INSTALLATION: The low profile design easily fits into a cabinet or equipment rack in the home to have effective placement when connecting the cables to the selector switch and has individual on/off selectors for each zone.