Features of TDA2030 Amplifier:-
1.TDA2030-IC range of voltage between 9 V to 24 V
2.TDA2030A is a monolithic IC intended for use as low frequency class AB amplifier.
3. Output power 18 W at VS = ±16 V / 4 Ω with 0.5% distortion
4. High output current
5. Very low harmonic and crossover distortion
6. Short-circuit protection
7. Thermal shutdown
Required Components:-
stereo jack pin – 1
TDA2030 IC – 1
Resistors(100K) – 3
Resistors(4.7K) – 2
Resistors(10R) – 1
Diode (In4007) – 1
Capacitor(.1uf) – 1
Capacitor(22uf) – 2
Capacitor(2200uf) – 2
Capacitor(2.2uf) – 1
variable resistor(100k) – 1
Battery / Adapter(12V) – 1
TDA2030 Amplifier circuit diagram:-

PCB:-
