The Munny speakers are all set and ready to go. Hook them up to an amp (I'm using a Sonic Impact T-Amp), run in an input from an MP3 player or your co...
Step 2: Trace the circle
I bought two drivers that are reasonably small at 3". This was pushing it pretty close to what would fit on the Munny and to be sure everything was where it should be I measured the diameter of the back of the driver and cut that out of card stock.
I then put this card onto the face of the Munny and traced out the circle.