2nd amp

Yes that's the HED DVC 4 hooked to a USB600D, set to 200 watts.  Once in a while you'll find a closeout U.S.acoustics amp on one of the online suppliers.  I got that one last year from Crutchfield.  They only had some for a few days.  Very small but puts out some power for its size.

I suspect that sensitivity rating on that Kenwood.  Some of the manufacturers (Infinity, for one) are using some crazy "in car" sensitivity rating now that makes it hard to compare apples with apples.  You might think that pushing those overlapping ribs would decrease the sensitivity a bit  ;)

I have been debating how much power in an amp I really need.  There are some real affordable 2 channel amps that bridged would get me to 160 rms or so.  I currently have the usx2050 running my components at 50 x 2 rms.  It seems to be a good little amp.  I have not even felt it get warm yet.  what do you think 160 watts pushing that hed 12 would sound like?

Also look at this blaupunkt.  What do you think of this.  It could be just like in fast times the quadrfonic blaupunkt.

http://www.sonicelectrnix.com/item_3500.html