Yamaha DTXpress/DTXplorer/DTXtreme

> I prefer the sound of my near - field monitors,  Yorkville YSM-1s 
over any keyboard amp or PA cabinet.   They 're bout $200 a pair. 
The  
> powered version is about $425 a pair.  M-audio, Behringer and a 
few other companies make some inexpensive powered monitors too.  I  
> think I saw a Musicians Friend catalog selling Samson powered 
monitors for $199 a pair.  Not only can you listen to your drums  on 
them  
> but  you can use them to mix  with and listen to CD's on. 
 
I'll ask for the yorkvilles in the music shop, thanks. 
 
By the way, I have an old power amplifier (200W RMS, 4 Ohm, mono). 
Do you think that I can just go with a non-powered monitor whith 
that?