hi i have the onkyo 5009 amp and monitor audio rx6 av12 speaker package i currently have 5.1 setup but want to go 9.1 setup i want to add extra fronts and extra rears if i used monitor audio apex 10's for extra rears and extra fronts would it work well together would they be a tonal match or if not what could i use to make it a 9.1 setup thanks need help asap please