800W Audio Amplifier with MOSFET

Here the schematic diagram of 800 watt audio power amplifier with MOSFET for final amplification.

800W Audio Amplifier with MOSFETcircuit diagram

This amplifier can be used for practically any application that requires high power, low noise, distortion and excellent sound. Examples would be Sub-woofer amp, FOH stage amplifier, One channel of a very high-powered surround sound amplifier etc.

For detail explanation about how this circuit works include the large schematic diagram, power supply schematic diagram and complete component listing, download this complete article


68 thoughts on “800W Audio Amplifier with MOSFET

  1. shravanth

    hello sir i am working on amplifier circuits. i like ur circuit diagram of 800w amp so plz plz plz send me clear diagram and PCB layout
    plz mail me

  2. Allan

    Can the diagram be enlarged and l also request for the layout if you can

  3. tusar kanti golui

    I want a small circuit of audio amplifier more than 50 watt(R.M.S.) consisting of 2 or 4 pcs of mosfet,transformer may be used.

  4. francis nape

    how can i get the complete part list and block diagram of 800watts amplifier with mosfet.

  5. marco

    prejudice can have the pcb for the construction of the amp?? Thanks Mark

  6. masood

    can any body send me its pcb at my this g mail..khan.shahid251@gmail.com

  7. ashokavarthanan

    Hi…
    I already fineshed this amplifier…
    excellent…
    very good amlifier
    power supply two 2*70v 5amp TR for i used.
    and 400 watts amp too..
    all power mosfets are IRFP240 IRFP9240
    pcb board pcb layout and other detail
    ashokavarthanan@gmail.com

  8. noel tovera

    sir im interested about the circuit pls send me d diagram

  9. filipe mendes

    will you please send me the pcb of the 800w power amplifier,including the power supply with apropriate details.is there any problem with the circuit.
    i will thank you in advance

  10. joseph

    hello, please send me the layout and ciruit diagram and the parts . thanks

  11. RAghu

    i need pcb layout and circuit diagram and components list…………..
    Can u plz send it to me

  12. titodix

    good day, sir tnx for 800watts power amp.the bias is fix also and i already finished..,actually i drive,speaker 15″800watts x 2 in mono @4-8 ohms speaker..i make another channel too..for stereo thank you very much!

  13. bipin kumar

    hii sir
    i am bipin. i have to need acircuit diagram of audio amplifir to design..pls help me.

  14. binutp

    Dear Sir

    I want a pcb layout and details circuits diagram with appropriate power supply of 800 watt audio amplifier

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