I just got confirmation from another site that the E17k does have the channel control and that it works in amp only mode. Maybe, as you suggest, it's rare and that's why the E17 keeps getting mentioned re: controlling for hearing loss? I use the phone w/ software control when I can, but there...

I have moderate conductive hearing loss in one ear, and I am looking for a portable dac/amp that can balance L/R headphone volume. I can control the balance with software, but not in every scenario (and with limited finesse in the range I need it, it seems). I have bose noise cancelling buds I...