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MP3 Mono Amplifier V2.0, Pre-built

Exclusive to Kitronik
Teaching Notes
Key Stage 3
The Mono Amplifier Pre-built Kit is supplied with all of the resistors, capacitors, and IC holder fitted. Simply connect the Jack Lead, speaker and power clip.

Availability: In Stock.

Code1+ 5+ 50+
(£4.86 incl VAT)
(£4.02 incl VAT)
(£3.66 incl VAT)

Our best selling amplifier kit has had an upgrade and a facelift. Version 2.0 of our Pre-built Mono Amplifier Kit has a brand new IC and we've also made all of the components suraface mount for a neater design.

This audio amplifier kit can be used with any personal stereo equipment, including MP3 players. It uses the very polular LM836 audio amplifier IC which can output 0.7W of power. The kit is supplied with a PP3 battery clip and can run off any voltage from 4 to 15 volts.

Also supplied is a pre-built jack cable.

All that is required is to solder the jack lead, speaker & power clip to the board and you are good to go.


  • Pre-built kit allows you to concentrate on product design rather than assembly.
  • Works with a wide variety of mp3 players, phones and computer equipment.



  • PCB Length: 45.5mm.
  • PCB Width: 35.5mm.



Free samples:

Teachers can order a sample of this kit (one per school) here. You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2154.
Note: this service is only offered to schools for evaluation purposes only.

Buy British:

 This kit is designed and manufactured in the UK by Kitronik.

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Posted by Roger Flood, Wednesday, 7 December 2016 on product MP3 Mono Amplifier V2.0, Pre-built
  • 0

    Hello Roger, It is possible to add another amplifier to the output of the radio kit, however the mono amp kit wouldn’t be a suitable option. The 3W class D amp kit would be a more suitable option. I have assumed that you are using our FM radio kit for this, other kits can be different.

    Posted by Michael Lockhart on Wednesday, 7 December 2016
Posted by Tony Hobbs, Wednesday, 28 September 2016 on product MP3 Mono Amplifier V2.0, Pre-built
  • 0

    Hi Tony, Unfortunately we are unable to supply just the built boards. This is due to us having speakers and battery clips automatically ordered when a batch of these boards are built and as such we wouldn’t be able to separate these out.

    Posted by Michael Lockhart on Wednesday, 28 September 2016
Posted by Raf, Tuesday, 8 March 2016 on product MP3 Mono Amplifier V2.0, Pre-built
  • 1

    If you take a look at the input biasing on page 3 of the chip datasheet this explains further. However with how the kit is designed your input impedance should be fine.

    Posted by Michael Lockhart on Tuesday, 8 March 2016
Posted by Mary O'Brien, on product MP3 Mono Amplifier V2.0, Pre-built
  • 0
    A: Hi Mary, Yes we do have a version where the students built it them self,
    Posted by Michael Lockhart on Tuesday, 13 June 2017

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Same Day Dispatch

  • Orders placed online before 3:00pm Monday - Friday (excluding public holidays and our Christmas shutdown period) are always dispatched the same day provided the goods are in stock. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date.

UK Deliveries

  • If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost 3.95 (4.74 including VAT) if you spend less than 40 (48 including VAT).
  • If you spend between 40 and 200 (48 - 240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, 12 (14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and 15 (18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate click here.
  • If you spend over 200 (240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.

Rest of the world

  • These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. Alternatively you can choose the free collection option and have your own courier collect it from us. International orders can only be shipped to the registered card address. Please note: International orders may be charged import duty dependant on local import laws and duty rates. These charges are usually billed to you directly from UPS.
  • Delivery times vary for international orders depending on the service selected and the destination. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.


  • If you would like to collect your order, or use your own courier then there is an option you can select during checkout. We do not charge a packaging or handling fee for this service, and you will receive an email when your order has been processed, you can collect half an hour after receipt of this email.

Further Information

  • For information about all of the delivery options we offer click here.

Physical characteristics:

  • PCB Length: 45.5mm.
  • PCB Width: 35.5mm.

Electrical characteristics:

  • Voltage Nominal: 9V.
  • Voltage Range: 4 - 12V (Absolute Maximum 15V).
  • Typical Standby Current: 4mA.
  • Current Max at Nominal Voltage: 70mA.
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