What's the best XLR cable for home theatre

Hi,Before I make a mistake,I would like to know what XLR cables do you guys recomend me for my home theatre,My system is as follow,brand new,just bought it a simaudio titan 7 amp,B&k ref 50 proc.martin logan ascent main,theatre center,aeon sorround.I'm using right now nordost blue heaven rca.so what cable should I buy and what difference should I notice on what ever cable you guys recomend me. any help will be highly apreciated.