And the music that you'd put on it won't ever go to 10MB/s anyway.
How would that hardware mod be? I'm very interested in that possibility, because isn't double-amping a bad option no matter what?
I'm amazed at the lack of balance control in the portable amps such as the E12, even when the very Fiio E17 has one. Why, Fiio, why do you make an almost perfect whatever, but never do that extra something that would please a lot of people?
What you'd have to do is put a potmeter on the audio circuit, if you can't mych into DIY, you could also get an inline balance controller.