Yes, it was sold a couple of months ago. I bought every MTS amp to see which one is suitable for a dual channel upgrade and the RM22 unfortunately wasn´t. But it´s a cool little amp which can be loud enough for small club gigs.
If you keep the RM22 you should get a the Mercury Magnetics power section mods from Jaded Faith, they sound fantastic.
I also I'd the Master volume mod too.
Only problem is that by the time you do all that stuff, it will be worth over a thousand Euro and probably hard to resell without taking a hit.