So lets get started!
Please don't be too critical, I'm only 14!
Step 1: Parts
OPA2134PA op-amp. There are alternatives but I have had most success with this one. The only other one that I would recommend is OPA2132
1x IC socket
2X 470uf or higher 10V capacitors
2x stereo audio jacks
2x 0.2uf MKT or pollyester capacitors
2X Pannel mount LEDs
1X NPN transistor
1 or 2 9V battery clips
male header pins
1X stereo 10k potentiometer
10k, 100k, 1k, 4.7k, 47ohm resistors (I got packs of 8)
2x SPDT micro switches
3v button cell and holder
A PROJECT ENCLOSURE! Be creative!