Theater Solutions TS8 Eight Zone Speaker Selector Box with Ohm Protection 8 Pair Speaker Switcher Theater Solutions TS8 passive 8 zone speaker selector box, connects up to 8 pairs of speakers at 4 to 16ohm, one to all zones can be engaged at the same time Handles up to 300W RMS per channel, amplifier or receiver impedance protection, accommodates 14 to 22 gauge speaker wire, spring loaded wire connectors Dimensions are (H x W x D) 2.1875" x 17" x 4.875", 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