Theater Solutions by Goldwood TS2DLS Dual Input Two Zone Passive Speaker Selector Box Traditional Passive Design splits the incoming signal and power to engaged zones This unit can input two amps or receivers and toggle between with an A/B Button per zone One to all zones can be engaged ON/OFF at the same time and each zone has a volume control Connect 2 pair or 4 speakers at 8ohm speakers and handles 300 watts RMS per channel Removeable screw bolt wire connectors fit 14 to 22 gauge speaker wire Steel housing has rubber feet and a compact size of (H x W x D) 2.5 x 8.5 x 6 Impedance protection when using external volume controls with accessible internal settings Included pre-printed zone labels for clear and easy connection and identification System Requirements Any home audio receiver or amplifier with raw speaker wire outputs CL3 Rated in wall certified or standard raw speaker wire for all connections Applications Whole House Audio Systems Business or Retail Installations What s in the box 1 Passive Speaker Selector Box Instruction Manual