3/2.1 is correct. it is for 3 fronts, 2 rears, and the .1 is the LFE channel.
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Outlaw 950/750,Oppo 203/970 ,Definitive tech bp 7006,Definitive tech clr2500,infinity rs225 surrounds,Outlaw LFM-1 ,
Panamax 5100.