Supports 4 speaker pairs. Sima Speaker Selectors allow connection of 4 speaker pairs to a stereo system for music throughout the home or office. Only Sima Speaker Selectors feature PolySwitches solid-state circuit breakers to protect the unit from overload.
- Automatic PolySwitches: Turn off unit when overload is detected. Reset within a short time once user removes overload or reduces volume.
- Listen to one or any combination of speakers at one time.
- Impedance protection allows a single amplifier to safely power several pairs of speakers.