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You can use this powerfull amplifier in any small audio project. It is very small (6.5 x 4.5 cm).It outputs 10W and uses a 9V battery. Component   PCB Componets List R1 : 6 Ohm R2 : 220 Ohm R3 : nothing R4 : 10 KOhm pontesiometer C1 : 2200 uF / 25V C2 : 470 uF / 16V C3 : 470 nF / 63V C4 : 100 nF C5 : nothing C6 : nothing IC1 : TDA 2003

10W AUDIO AMPLIFIER WITH BASS-BOOST ELECTRONIC DIAGRAM Adjust the volume control on the minimum and R3 position with a minimum value of resistance as well. try to switch the circuit set in R3 to read the flow of about 20 to 25mA. Wait for 15 minutes, connect the ground of A1, P1, C2, C3dan C4. Connect the output also C9 ground List Component P1 : 22K Log Potemsiometer (Dual gang for stereo) C3, 4 : 470uF/25V P2 : 100K Log Potemsiometer (Dual gang for stereo) C6 : 47pF 63V ceramic ar polyester capasitor R2, 4, 8 : 820R 1/4W C7 : 10nF 63V polyester capasitor R1 : 4K7 1/4W C9 : 100nF 63V polyester capasitor R3 : 500R 1/2W D1 : 1N4148 75V 150mA Diode R5 : 82K 1/4W IC 1 : NE5532 Low noise Dual Op-amp R6, 7 : 47K 1/4W Q1 : BC547B 45V 100mA NPN Transitor R9 : 10R 1/2W Q2 : BC557B 45V 100mA PNP Transitor R10 : 0,22 4W(wirewound) Q3 : TIP42A 60V 6A PNP Transistor C1, 8 : 470nF 63V polyester capasitor Q4 : TIP41A 60V 6A NPN Transistor C2, 5 : 100uF/25V J1 : RCA audio input socket

Here is simple electronic circuit diagram project of 10W Audio Amplifier.With only an integrated as active element circuit this circuit is capable of providing up to 10W of power on a charge that can be between 2 and 8. 10W Audio Amplifier Circuit Diagram: Obviously the integrated circuit, a TDA2003, should be placed with a suitable heat sink to prevent damage to its internal components above temperature in the capsule. At maximum power circuit needs 2A to work correctly. The 10W are obtained in the optimum working a load of 4 Ω. The entry must be at least 1 VPP to achieve this performance. Power: V max: simple 18V DC I max: 2A Parts List: R1 100 kΩ R2 47 Ω R3 220 Ohm 2.2 R4 Oh R5 1 h SPK 4 Ohms C1 2.2 µF C2 470 µF C3 47 nF C4 100 nF C5 1000 µF C6 100 nF IC1 TDA2003