Morning , this topic is floating around on another thread on whether you prefer 2.0 or 2.1 and personally i prefer 2.0 esp with the M80's as they do have great bottom end.
XPA-3 VP-180v3 M80v3 Svs PC-12 Plus SVS SSS-2 PS-3 Sharp 60" LED OPPO BDP-93 Anthem MRX500