Hope this is in the right place?

I'd like hear suggestions on ways to use the 950 with (2) M200's driving (2) Maggies for 2-channel music, a 7100 for (5) superzeros for HT and the other (2) 7100 channels for (2) subs for both, any ideas on the best way without a $15 Radio Shack RCA A/B switch?

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Thanks, Rick