I use this amp head with some pedals, plugged into a 2x12 cab. I couldn't tell you how loud it gets, since I never even past the half-way point. That's more than loud enough for me.
When I unboxed the amp I was again surprised by how small it actually is. I've watched quite a few review before buying it, but still... It's almost toy-like in size, like a miniature for on a shelf, showing you're a VOX-fan. But when I first plugged it in and turned it on I completely forgot about the size. It sounds amazing. Just really nice.
Even though this is the clean version, it reacts to your playing. It feels "real" so to speak. You can push it a bit to get some more punch, you can ease off a little to get some cleaner tones. It sounds great, it sounds big, it sounds like it shouldn't be able to come out of such a little head.
The VU meter is just lots of fun, I'll never grow tired of watching the needle bounce around.
There are some downsides... And most of them have to do with the size. The power switch can feel a little flimsy, it's a tiny plastic slide thingy, same goes for the attenuator button. They just don't feel like the rest of the amp. The feel like they should be on a cheap travel alarm clock or something like that...
The buttons on the front are nice, but because of their small size you do tend to turn the button next to it, simply because your fingers touch it / get sandwiched in between. Apart from that, they feel nice, not to light, not to heavy.
The amp is heavier than you expect when looking at it. It sits down really nicely and it won't move or shift when plugging in your guitar. The output plug also feels really sturdy, I use quite a thick speaker cable and it doesn't lift the amp (like you see in some lighter pedals)
It looks ridiculous on my big cab, but it sounds amazing and it's so cool to be able to carry this much power and sound with you in such a small package.
It's fun, beautiful and sounds great. And, not to forget, it's really cheap. I couldn't be happier with it and I can't wait to see what it can do with a bigger cab with band practice (once we can get together again)