The LSi's are rated as a 4 ohm load, so the 7100 is giving you 165W - which should match up pretty well with the speakers (the recommended power for the LSiC and some of the other LSI's is 20W-200W, while the LSi15 is 20W-250W). If you decided to add monoblocks (such as the Outlaw Model 200, which can provide 300W into a 4 ohm load) for the main speakers, I'd let the monoblocks handle the load by themselves rather than bi-amp with the 7100.
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gonk
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