Thank you Hector. I will try the SW5500 in the back of the room connected to the rear 5.5K's in small setting to see what happens

Trinnov Altitude CI, M271, DSP8KSEU, DSP7200HCSE, DSP7200SEU, DSP5200SE, DSP3200, Magnetar UDP800 MKII, Kaleidescape Strato-Terra , Furman15PF, Creston Control, LG-G4,
M Kit since 1994