nice little novelty/practice/take with you amp
I have only run mine off the 9v battery, I have not plugged it into the wall yet except to make sure it powered up that way, I saw it did and put the battery back in and gave it a go,
its a nice little amp but its not all that loud, I have the volume up all the way and you can hear it pretty well but its still not what I would call being loud, I see someone said this amp was loud but I would say its pretty far from being loud. its just loud enough but I wish It could be a bit louder.
the overdrive channel sounds pretty good its got that Marshall overdrive tone, well sort of, about as close as you can get to it with a little solid state 1 watt amp with a little tiny speaker. I mainly use the overdrive channel and I am satisfied overall
the main issue I have with this amp is the clean channel, is not very clean unless you have the volume turned down really low and at that point you can barley hear the amp, once you start turning it get more and more distorted, so the clean channel is more like a gritty low gain overdrive channel. not sure how it sounds with headphones but that is how it sounds powered by a batter and using the built in speaker.
It will be nice amp to take places when I do need a loud amp or if I do not feel like dragging big amps around, it will be nice for playing quietly at home, and well if I ever want to play with headphones this should work out well.