Theater Solutions TS2DLS Speaker Selector Box for 4 Speakers with Dual Source and Volume Controls Theater Solutions TS2DLS dual input two zone passive speaker selector box, connects up to 2 pairs of speakers at 8ohm, each zone has a volume control for full zone control One to all zones can be engaged at the same time, handles up to 300W RMS per channel, can input two amplifier or receiver units, accommodates 14 to 22 gauge speaker wire, screw bolt wire connectors Dimensions are (H x W x D): 2.5" x 8.5" x 6", steel housing and rubber feet, passive design, no power required, pre-printed zone labels for easy speaker connection and identification Designed and engineered in the USA, full instructions included, use for home audio systems, whole house audio, business or office audio This listing and price is for 1 speaker selector box