Ceramic  	220p  	$0.12  			x2
NEED: 0.1 µF 50-plus volt full-size film cap* 	x2
10 KΩ 1/4W metal film resistor			x1
4.7 KΩ 1/4W metal film resistor			x2
100 KΩ 1/4W metal film resistor			x2
1 KΩ 1/4W metal film resistor			x2
10 KΩ 1/4W metal film resistor			x2
LED  	Red  	Clear Lens 3mm			x1
Protoboard 4x5 inch  	$4.50			x1
Stereo mini jack (3.5mm)				x2
DIP-8 IC sockets, gold contacts			x1
Volume knob					x1
9V battery clip					x1