Portable Amplifier 10W for Cellphone, Etc

this is my first instructable.
PORTABLE AMPLIFIER 10W USING 9V 1100mAH BATERRY
, so please rate it :)

mine work great

Step 1: The Materials

R1 : 6 Ohm
R2 : 220 Ohm
R4 : 10 KOhm pontesiometer
C1 : 2200 uF / 25V
C2 : 470 uF / 16V
C3 : 470 uF / 16V
C4 : 100 nF
IC1 : TDA 2003
Heatsink for TDA 2003
Female jack: 2
male jack :1
9v 1100mAH battery
case
PCB
swicth

Step 2: Step 1

drill the case, and plug the male jack, female jack, swicth, potentiometer

Step 3: Step 2

connect the components, and then solder them.
make sure them are correctly

Step 4: Step 3

put the circuit at the case, and connect the male jack, female jack, swicth, potentiometer

Step 5: Finally

test it using 9v battery,
connect input jack to your phone, iPod, iPhone, cell phone, etc
connect output jack to headphone or speaker
rotate the potentiometer

mine work
i hope your own amplifier is work too

umm, sorry my english language, i'm indonesian