I have seen that RPG uses the Digizoid amp, and I was wondering, how did you find it at use with your desktop? Do you just connect it into the soundcard from your computer, use it's charge up and then recharge it? Does that become annoying at all? Having to recharge it all the time?
That is just an issue I thought that may occur, so I was maybe thinking along the lines of a DAC?
I've got a USB power adapter to connect it directly to the wall socket to avoid the usual USB electrical noise when charging from the comp. It stays plugged in most of the time, every once in a while I disconnect charger to let the battery drain. Has worked fine for a long time now already. Should be noted I only like ZO v2.1 with the Q40 though, I also have v2.3 but to me v2.3 will make the Q40's mids seem a bit more laid-back (therefore to me unengaging) versus v2.1 more organic full bodied mids. (With v2.3 it's a slight V-shape sound while with ZO 2.1 it's more like bass boosted + balanced mids/highs (^-- shape response) which I prefer, to my ears the v2.1 combo sounds just more high fidelity, maybe it has to do with the higher gain, dunno).
I'm sure there are a lot of other alternatives but for me this combo is just perfect, no other amp has added a high quality subwoofer-like bass without destroying the rest of the range.
Edited by RPGWiZaRD - 10/14/13 at 1:54pm