Audiopipe apsm-1300 1000rms mono mini amplifier
Pros: lots of power in a little package, fan cooled, good looks.
Cons: Adjustments are on the bottom of the amp, which can be a pain because sometimes your wires will come out, fan is a little noisy, not very efficient (had to upgrade electrical just to run it!) Low pass filter isn't exactly right, still hear some voice even set all the way down (my subs are 2 inches from my head, not noticeable in a trunk).
For $110 it can't be beat for the power it puts out!