Cal audio ssp 2500 for SACD multi-channel

I have a cal audio ssp 2500 that I love for HT and 2 channel. I now have a modified Denon 3910 and would love to be able to use the 2500 to pass through the multi-channel analog for SACD from the 3910. The 2500 does not have a multi-channel pass through.

Any suggestions?

Thanks.