My Surround Speakers Are 8 Feet Apart In The Rear Wall. Would I Benefit By Placing 1 Rear Speaker Between The 2 Surround Speakers In The Rear Wall. I Dont Want To Place The Surrounds To The Side Of The Listener. I SIT 2 FEET FROM THE REAR WALL BETWEEN THE SURROUND SPEAKERS. THIS MEANS THE REAR SPEAKER WILL BE DIRECTLY BEHIND THE LISTENER