I'm currently planning to upgrade my 2.1 setup. I've done some research and am pretty sure what to get, but I could use some input on how to connect the sub. It has a line level mono input.
Current setup:
Rotel RA-12 (fed via S/PDIF from PC)
ELAC BS 243 bookshelves
ELAC SUB 2040 ESP (fed from...
