Vanco SS6 6 Pair Stereo Speaker Selector Box Distributes high level (amplified) stereo signals into four zones with built in impedance matching volume control High quality metal chassis with brushed black aluminum faceplate Accepts up to 14 gauge speaker cable 100 Watts RMS per channel 200 Watts max power per channel Rated 100 Watts continuous per channel 4 to 16 Ohm Impedance Accepts 14 to 22 AWG speaker wire Push terminal connections Helps to prolong amplifier life