You'll find the best prices on Rca surround sound system in Home Theater Systems when you shop online at bizrate. Do all your comparison shopping for RCA Home Theater Systems in one place. Compare models and see which online Electronic stores have the best merchant ratings. Make an informed decision on Rca surround sound system Home Theater Systems before you buy. bizrate will help you with all of your holiday gift shopping needs. Buy RCA RTD215 5.1 Ch. Home Theater System or RCA RT2760 5.1 Ch. Home Theater System.