You can go to the Meridian Website and download the handbook for the 561. The 561 only has stereo analog imputs, so you cannot do 5 channel without dsp modes. I had a 568 that converted all analog imputs to digital form.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.