Are the DSPs set up with one typed as master/controller?
NC1: 861v4+ID40, 218, MS200 (to outdoors), DSP8000SE (upgraded). 5500VC, 5500s, Hsu Research ULS15x2, DirecTV, Oppo BD103, QNAP, Roon
NC2-see FL 2 with Triad Silver Speakers
FL1: G61R, DSP6000s, 5500HC, 5000s, Hsu Research ULS15, MS600, DirecTv, Oppo BD103, QNAP469, Roon
FL2: Marantz 7005, M60s, M60C, M33s, Oppo BDP-93, MS200, Roon