I've had the cab loud enough for practice with a loud drummer, two other guitars, bass and keys and it's been absolutely fine. It's a lovely cab - really light and compact. Sounds decent even with cab sims on too.
For anyone wanting to contact me - I guess it can't do private messages on here? I am contactable via thefretboard.co.uk forum (great forum) - here is my for sale thread on there:
http://www.thefretboard.co.uk/discussion/101…ix-neolight-cab