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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.