Headphone amps are very niche market (thus expensive) and many of us who enjoys headphone amps are looking for DIY route (either your own design or have someone else do it for you). However, there are plenty consumer products out there if you don't mind spend some money on it. If you are looking for some portability, there are some decent sounding headphone amps out there with minimal cost. But what a concept if Outlaw comes up with Outlaw quality headphone amp along with Outlaw pricing. Outlaw, if you ever come up with Outlaw headphone amp, I will be first in line.