Depending on your budget there is a wide range, but most will get the job done.
Most mixers have phantom power nowadays.
A Cheap Behringer would likely get the job done.
A nice powered Yamaha would double as an amp. Lots of choices.

Something like this is usually affordable and serviceable -
http://www.zzounds.com/item--BEHXENTX802


I do not work here, but the benefits are still awesome
Make your sound your own!