I believe the sub out on the 565 (analogue output number 4) should work providing you have enabled subwoofer use within the Meridian configuration programme.

In my system the sub output is only used for .1 so does not work when listening to 2 channel material. This can be changed.

Good luck

861, G98, 568.2, DSP5K, SVS PC 13 Ultra, Pioneer KRP600, LG 77CX, BDI 3379.