Using a Speaker Selector is the safest way to distribute and control audio to speakers located in a home or small office environment. SPSL series Speaker Selectors provide connections for up to 4 pairs of speakers, there’s even a model that connects two input sources for distributing audio content to select areas. A switchable impedance matching circuit prevents damage to amplifiers and speakers from improper impedance levels. Rated at up to 100Watts per channel with impedance protection on. Open the door to increased speaker sales with the SPSL Series from LUMI Audio.