Upgrade 5.1 to 5.1.4 Atmos by Adding 1961 for Height (and surround) to B&W CM LRC
I have been using my 5.1 system for nearly 10 years: Anthem MRX510 with B&W CM Series 1 set (CM9 fronts, CMCenter 2, CM1 surrounds); and a BK Electric XXLS400-FF sub. Looking to upgrade to a 5.1.4 system by replacing the receiver with a new Atmos-ready 9.2 channel receiver (Onkyo...