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. Vincenzo Spinosa

    spinosa vincenzo
    audio tek01 noleggio vendita

  2. mohit

    i wish tp purchase 5.1 chennal home theater aplifire circuit card.

  3. shakeel

    Sir, I want circuit diagrams book of AHUJA AMPLIFIERS. Please tell me where i can purchase it ? I live in KANPUR [U.P.]

  4. shyamprakash

    hi friend i want a circuit diagram of 80w audio amplifier

  5. amplifiers

    hi mosood do u need AV800w pcb mail us on handmadeamplifiers@yahoo.com

  6. amplifiers

    hello friends we make good quality of pcbs of AV800 and AV1000
    u just need to buy the transformer and connect to the amplifier board n use it cost of one pcb with all parts mounted at just Rs-2500/- with all genuine components for more details mail us on handmadeamplifiers@yahoo.com

  7. amplifiers

    hi sarfraz nawaz u can buy AV800 or AV1000 pcbs at cheap cost at us
    for details mail us on handmadeamplifiers@yahoo.com

  8. shravanth

    hi you can mail for AV800/AV1000 pcbs at shravanth.reddy@yahoo.com

  9. MD SARFRAZ NAWAZ

    DEAR SIR ,
    I WANTED TO PURCHASE ONLY THE PCB BOARD CAN YOU TELL ME WERE I CAN PURCHASE IT
    REGARDS
    SARFRAZ

  10. naveen

    i need a circuit diagram to convert 2 channel audio to 5.1 channel

  11. Jury Joy

    Hi! Good day!

    Is there any possibilities that I can also have the PCB Layout and Schematic Diagram of your 800W Audio Amplifier with MOSFET?

    juryrubi@gmail.com

  12. leee

    R3 is melting and Q3,Q4 are heating what i should do please help me

  13. leee

    hello friends i am working on 800w amplifier since 2 months please any one help me in preset bias please friends please

  14. shravanth rockzz

    hi friends i have perfect pcb layout and more information about it for details
    shravanth.reddy@yahoo.com

  15. EDWIN

    I like the 800w circuit,but I am not comfortable with the preset bias. Is their any way I can manurve with the circuit so that i can caome up with a auto bias generator.

  16. Tiaan Giliomee

    hello
    plz plz anyone send me the pcb layout for this
    at tiaan2000@gmail.com

  17. kingston electronics

    for circuits and pcb desining you can mail us at kingston_electronics@yahoo.com

  18. shravanth

    hello friends plz plz any one mail me PCB layout

    my email-shravanth.reddy@yahoo.com

  19. shravanth

    which mosfets i can use instead of IRF240 and IRF9240

    any one can mail me to
    shravanth.reddy@yahoo.com

  20. 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

  21. Allan

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

  22. 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.

  23. francis nape

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

  24. marco

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

  25. masood

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

  26. 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

  27. noel tovera

    sir im interested about the circuit pls send me d diagram

  28. 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

  29. joseph

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

  30. RAghu

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

  31. 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!

  32. bipin kumar

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

  33. binutp

    Dear Sir

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

  34. jhonrey

    i want pcb&circiut lay0ut,including supply..with appropr8 details,thankz n advance.

  35. boston mwelwa

    I went the pcb layout,all componets needed, including the powersupply of 800watts mosfet audio amplifier,send me the quotation,thanks

  36. cezar

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

  37. Jhun Papacin

    I WANT TO HAVE SCHEMATIC DIAGRAM, PCB BLOCK GUIDE, PARTS LIST, SUPLY DIAGRAM, AND TESTING GUIDE OF 800W AUDEO POWER AMPLEFIER.
    THANKS HOPNG UR RESPONE.

  38. Daniel

    Dear Sir,
    Please give complete circuit and components list and comeple power sully components it it possible to pcb layout it is for project use only

  39. janaka

    i want the pcb layout of 800watt mosfet amp please sent me

  40. AFFAN

    I WANT TO MAKE SET OF 4 WOOFERS IN ONE SPEAKER BOX.I ALREADY HAVE 4 WOOFERS EACH SIZE (10 INCHES)8 OHMS ,3 WOOFERS ARE OF 80 WATTS AND 1 W00FER IS 75 WATTS. I SHALL USE “CAR AMP OF AKAI MODEL No. ACA-2102 MAXIMUM POWER 600 WATTS. PLEASE SEND ME THE DETAILS,SUGGESTIONS,DETAIL CIRCUIT DIAGRAM,DETAILS AND VALUES OF COMPONENTS SUCH AS TRANSFORMER,FUSE,CAPACITORS AND ALL OTHER THINGS WHICH WILL BE USE IN THIS SET.PLEASE ALSO DESCRIBE THE DETAILS OF MATCHING TWEETERS AND THE VOLUME OF SPEAKER BOX=(LENGTH x WIDTH x HEIGHT) AND SIZE OF AIR HOLE WHICH WILL BE IN FRONT OF SPEAKER BOX. SEND ON MY ID AAFFAN91@YAHOO.COM OR NOMANN55@YAHOO.COM

  41. Aman

    i want the pcb layout of 800watt mosfet amp please sent me

  42. p.s.raju

    I want the pcb layout of 800watt mosfet amp please send me

  43. suranjan mallick

    please give the details circuits diagram with appropriate power supply of 800 watt audio amplifier.

  44. krishnan

    thanks to give the circuit diagram
    please give me 5.1 channel circuit or how to design the circuit please give me

  45. RENGARAJAN

    I WANT THE SCHEMATIC DIAGRAM, COMPONENT LIST, CIRCUIT DETAILS OF 800 WATTS MOSFET AUDIO AMPLIFIER.

  46. MARIJANI MUSSA

    can you provide the details on how this circuit digram work and if posible the diagram itself at large.

  47. Warren

    On the 800w mosfet amp there is a C26 220uf 100v should there be GND

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