One is Version 1 with Panlocs, no on/off switch or balanced outs.
Works like a charm with very bright bulbs...Some scratches on top from gear being stacked and mark or 2 on the black edges.
550.00 plus shipping.
The other amp is a Version 2 with on-off switch, balanced outs and so on...no marks on this one.
650.00 plus shipping/