I sent James (of FiiO) a PM.
I'm not sure if you're aware of this, but there has been interest for quite some time among gamers-who-use-headphones for an "audiophile" company to come out with a device (Amp/DAC) that supports virtual surround sound, and based of FiiO's proven track record of making affordable high quality audiophile devices, they seem poised as an ideal company to make such a device.
If you could a get a chance, could you PLEASE pop into the thread below, as there is a lot of interest in this, and we would LOVE to discuss the possibility of such a device with the FiiO reps.
Thanks for your time,
Here's his reply:
We will see whether we can do something for that but currently we are quite busy in the DAP line up and need to upgrade our e11/e17/e6 and such etc, anyway, it is a
Thank you very much!