Parasound Halo C1 vs. C2

[Serendipity]

I am looking at the specs for these units and see that the C1 uses a different power supply than the C2. Also, the weight of the C1 is slightly heavier than the C2. However, a quick Google search revealed that the internals of the C1 and C2 are very similar except for the LCD display.

Combo 1:
http://www.ebay.com/itm/Parasound-Ha...item3cc0a12ebf
http://www.ebay.com/itm/Parasound-Ha...item3cc05e5942

Combo 2:
http://www.ebay.com/itm/PARASOUND-HA...item337064c3d3
http://www.ebay.com/itm/Parasound-Ha...item3cc05e5942

Which would provide better sound? And pros/cons to both?

[Serendipity]

Anyone?

It's been so long since I demoed the C2 that all I remember is the blue lights...haha