The receiver is designed to power one pair of 6 ohm to 8 ohm speakers only and powering more will result in the receiver being over driven. This will cause the receiver to shut down and damage may result. We do not recommend it. If you would like to power more speakers then we would recommend using the Zone 2 Pre-Out connection to an external amplifier. Please consult your local audio video dealer for assistance in finding the right amplifier for that application.
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