[Tango-L] Looking for information about DJ equipment

[Nick]

I'm looking for recommendations for the right sound setup for a small 
milonga (maybe 30-60 people) for our small tango community.
I've tried to subscribe to the TangoDJ group at yahoo for some time but 
my attempts at subscribing never seem to get processed.
I'm not sure whether to use a couple of powered speakers or an amp and 
speakers.  Naturally we are not looking to spend too much money either.

Any advice appreciated.

Nick