hey buddy, I have a few questions about the portable penguin amps U build, however I tried to send you a message, but I just get this denied thingy. So I guess I got a direct approach 
so like how much are they, and do they sound much better than an airhead or even ra-1?
thanks

so like how much are they, and do they sound much better than an airhead or even ra-1?
thanks














