The TC-7212 is an audiophile grade, high power 2 zone speaker selector switch which utilizes top quality internal circuitry, gold plated luxury input/output jacks which can accommodate up to 4mm banana sockets, UL, VDE approved silver plated brass contact switches to ensure best power transfer while not compromising your sound quality like all the low cost speaker switches online. It can handle 200W RMS while providing selection of up to two pairs of speakers from one location. Each zone may be selected individually, simultaneously or in any combination. It provides a perfect solution to the need for high quality distributed audio in residential audio or commercial sound applications. Internal switching uses a combination of series and parallel wiring, ensuring that the connected amplifier sees a minimum of a 4 ohm load when up to two pairs of 8 ohm speakers are connected. This means that any conventional amplifier or stereo receiver can drive multiple sets of speakers, without the need for external impedance matching devices. Includes pre-printed and blank room labels to mark speaker location. Strong stylish metal enclosure.