I own a pair of C2's. I've never seriously listened to a pair of B&W's, the 803D or otherwise, so I can't add anything to the "which is better" question.
I had my C2's in a 14x18x8 room until recently. I have a Velodyne DD-15 which I sometimes use, sometimes don't. In that room, the bass of the C2's is very satisfying - I could easily imagine a speaker with a deeper low end overpowering a room of that size.
I recently had the opportunity to move the C2's to my LR, which is more like 20x40 and opens to the rest of the house. It is still an extremely satisfying speaker in this environment, but as I listen to mostly rock, blues and jazz, I do plan on experimenting with speakers with a deeper low-end, possibly higher in the Dynaudio line, possibly another manufacturer.
Dyn's always take a little volume before they come "alive" - they're pleasant sounding at low levels, but they really come into their own at medium and louder volumes. This is somewhat less the case in their current models than some of their older models, but it's still the case IMO.
That said, at medium and louder levels, even in the new environment, the C2's have a substantial low end that is tuneful and satisfying. Like any self respecting audio geek, I'd love to get it even "better".
Again, I can't compare it to the 803D's.
I had my C2's in a 14x18x8 room until recently. I have a Velodyne DD-15 which I sometimes use, sometimes don't. In that room, the bass of the C2's is very satisfying - I could easily imagine a speaker with a deeper low end overpowering a room of that size.
I recently had the opportunity to move the C2's to my LR, which is more like 20x40 and opens to the rest of the house. It is still an extremely satisfying speaker in this environment, but as I listen to mostly rock, blues and jazz, I do plan on experimenting with speakers with a deeper low-end, possibly higher in the Dynaudio line, possibly another manufacturer.
Dyn's always take a little volume before they come "alive" - they're pleasant sounding at low levels, but they really come into their own at medium and louder volumes. This is somewhat less the case in their current models than some of their older models, but it's still the case IMO.
That said, at medium and louder levels, even in the new environment, the C2's have a substantial low end that is tuneful and satisfying. Like any self respecting audio geek, I'd love to get it even "better".
Again, I can't compare it to the 803D's.