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CONTROL 2 SPEAKERS: multichannel speaker switcher controls up to 2 pairs of speakers that connected to a stereo amplifier at the same time or in combination
The Multi-Zone A B Speaker Selector Switch is perfect for your home theater sound system w/ 80W max power per channel. For use w/ 8-16ohm impedance speakers
Two switches are installed in parallel to control two sets of speakers
Accept up to 14AWG speaker wire and No extra power supply needed.
Metal housing with a compact slim tabletop design that complements any home theater setup

The product is designed to use two pairs of loudspeakers connected to one amplifier, they can be used simultaneously or separately.
It is a good idea to solve the problem of unplugging and plugging the speaker wires.
NOTE:
1> Please turn off the amplifier before connecting the cables, check all cable connections before turning on the amplifier
2> If you are not in use, please do not turn both switches to the OFF position at the same time. When you start the power amplifier, it will be no-load, which may damage your equipment.