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 comments

  1. 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. 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.

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

  4. 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

  5. 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

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

  7. 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!

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

  9. Dear Sir

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

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