TDA2030 Audio Amplifier Circuits

If you need to build the amplifier circuit for your home. The TDA2030 Audio Amplifier Circuit may be best choice. Because it is cheap IC and easy to use. Suitable for beginners thought will build the electroacoustics to listen yourself. This project use IC of The SGS company number TDA2030, which SGS said that it is power amplifier IC in 5 pin form. Setting circuit on a class AB power amplifier to the output of the high harmonic distortion and low crossover, Ready, shock output protection, and the temperature is too high, complemented within the integrated circuit.


As we experiment to build this project, and listen to the sound quality nice. We turn the volume fully to several hours. The IC is not hot. Or just warm. Therefore, suitable for beginners build this circuit to listen with yourself.

Technical Specifications
– maximum voltage supply used of +/- 18VDC.
– Begin working at minimal voltage of +/- 6VDC.
– Power driver output 14 watt at 4 ohm and 9 watt at 8 ohm.
– Maximum current of 900mA.
– Frequency response range 10HZ-140KHz at -3dB.

The TDA2030 integrated circuit is best choice for make good audio amplifier circuit. It is used to make many amplifier output 10 watts to 200 watts. and a lot of types. Mono or Stereo and OTL, OCL, BCL (Bridge amplifier) Eg. the super Bridge 120W I love it because small, easy using, and cheap.

We can builds more circuits with it. below

TDA2030 Subwoofer Power Amplifier

Schematic-diagram of-power-amp-super-bridge-120w-by-ic-tda2030

14W + 14W Stereo amplifier circuit


30 watts TDA2030  Amplifier

The OTL amplifier listen comfortably by TDA2030 and TIP41+TIP42


Multi-purpose Amplifiers

The multi-purpose Amplifier using TDA2030

General Purpose Power Amplifier

General Purpose Power Amplifier using TDA2030

 OTL 20W  TDA2030 Power Amplifier

TDA2030 Power Amplifier, OTL 15W

40 watts TDA2030 Bridge Amplifier circuit

Power Amplifier BCL 35W by TDA2030


This Post Has 30 Comments

  1. Hi
    my english is poor … sorry .
    I read this article.
    It is possible to make this amplifier circuit with MOSFET Transistors

  2. i have made this circuit but it did not worked what the problem is there i do not know. however i shall try again to check it up. then will comment.

  3. i have made the circuit bridge120W by i.cTDA2030 as per the circuit and pcb given but it does not work why? i do not know all connections and wiring has been checked could any help me in this matter

  4. i have made the circuit bridge120W by i.cTDA2030 as per the circuit and pcb given but it does not work why? i do not know all connections and wiring has been checked could any one help me in this matter

  5. Pin 2 of two IC TDA2030 mustn’t connect Power.The Power will be connected with pin 5 of two IC TDA2030.Negative (pin 2) pole and positive pole(pin 1) connect with Audio signal…

  6. Friends the given circuit diagram is wrong

  7. Anyone know the proper connections.???.

  8. The problem is on the 2030 chip you have pin 3 and 5 reversed . Pin 1 is + and pin 5 should be on the same side in the schematic. Pin 2 is – and pin 3 should be on the same side in the schematic. Easy mistake

  9. pls give me a 5.2 channel circuit
    simple ic transistor based
    with power supply

  10. Whis it? In the parts list you show c2,3,4,5,7 as 0.022uf but in the schematic you show them as 0.22uf. There is a big difference. Also in the parts list you have c1 and c6 as 0.0015 uf 50v and 10 uf 16v but the schematic shows them as both 0.22 uf . Can u pleas write me with the correct info? What else is wrong with the project? Help please. I bought all the parts but can’t assemble until I know.

    Thank u

  11. Can we use the tda2050 place of tda2030, what watts of that type amp

  12. how many inch speaker it take load

  13. There is little mistake in the circuit.if the output is 120watts then the power transistor getting DC+ voltage via TDA2030 ? It must be in parallel to 2.2ohms supply. it will not work in 6volt DC. It requires 12V/7Amps free from rippling DC.


  15. yeh… i hav made dis circuit…
    the sound quality is nice.
    but the bass reflex is very poor..
    i replace both TDA2030A IC to TDA2050..
    and added one 1mF caps at the (+ve) input signal
    and added one 2000mF caps at the output signal..
    now the bass and the output power is increased to more… then before it has.

    1. Is this circuit runs well? there is no rectifier in this circuit. so, will this circuit will run connecting 15 volt 2 amp transformer directly to the circuit board?

  16. Hi everybody,
    The circuit has many problems and it should be rectified before building this.
    So if you are searching for tda2030a or tda2050 Integrated Circuits then you may visit the links below
    Here is the complete Youtube video for building a stereo amplifier based on tda2030a great IC

    and here is the complete PCB board and notes for building this great project

    For more information contact us.

  17. Me I have problems with the loadline protection for amplifier in circuit

  18. Hey…i want to knw exacly can this curcuit use 2OHM speaker load?coz on explanation above blabla watt reach 200w on 2ohm that mean admin already test it on 2ohm without anyfailure overheating etc??The connection between PIN R4 and R8 2.2k resistor..the line conected like that way?i feel something not right on this schematic,,,U sure r4 & r8 connected that way??
    pls dont confuse us on this all things right here..coz if something doesnt right happen our $$$ fly away…maybe cheap on u country but on my country???this chip reach $15.00 each for tda2030 /TDA2030A.power transistor O_O $ 14.00 each so 2 pair = 14×4,,the capasitor for ps also walla..50v/10000uF reach $46.00 each..

  19. I rebuilt the circuit. One of the output tranisistors was blown up. There was also a bit of “Magic smoke”.
    I hoped better caracteristics from this circuit.

  20. I want to purchase plain pcb of 120w audio circuit. About 50nos

  21. Can i use 15 volt 4 amp transformer for this circuit?

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