You would wire the single speaker to the inner + and – connectors and select the mono button on the bridged zone.
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****SPECIAL NOTE*****DO NOT USER A SPEAKER RATED LESS THAN 8 OHMS WHEN BRIDGING. IN A BRIDGED SYSTEM, EACH CHANNEL OF THE BRIDGED PAIR “SEES” ON HALF OF THE SPEAKER LOAD. THIS MEANS THAT A BRIDGED AMP DRIVING AN 8 OHM SPEAKER IS ACTUALLY OPERATING INTO A 4 OHM LOAD.********
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