1. Yes.

2. Better sound (allegedly) from the built in zone of the MC200.

3. You need a core, and the MC200 is the cheapest way of doing this.

4. No. MS600 cannot act as core, nor can TwinStore.

Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.