AMPLIFICADOR SIMPLE CON LM386

Multipurpose PCB with 417 Holes painted black

4.5-9 Volt DC power supply (3 or 4 AA or 9v Battery)
8 Ohm Speaker
Audio Source e.g. iPod
Acrylic Sheet from «Lowe’s»
Project box
2X Blue Square LED’s
Mono Audio Jack
8-Pin Retention Contact
IC1 IC LM386 Audio Amp IC
R1 Resistor 10 Ohm
R2 Resistor 1K Ohm
R3 Potentiometer 5K Ohm
R4 Resistor 10 Ohm
C1 Capacitor 220 Micro Farad
C2 Capacitor 10 Micro Farad
C3 Capacitor 220 Micro Farad

Fuente:http://www.instructables.com/id/Portable-Speaker-1/#step1