The octa capture VS100 & VS700 should integrate within the same driver so you could expand your setup with those devices all within one ASIO driver. I wonder if this unit has that same driver and ability.

Brandon Ryan has some more quad capture details in this video.

Doesn't seem to have a seperate control for the headphone volume, it seems to be tied to the main outputs. I have to turn my amp off or down, when just wanting to use the headphones

I have the quad capture....it's GREAT...

Same VS preamps as the VS100 and VS700

It has "autosense" leveling....just push a button and play and it sets the levels

And built in compression....

I have the VS 100, but had to sell it a while back, so replaced it with a slightly lower priced unit...