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Breakouts & Modules > Audio

3W mini audio stereo amplifier

SKU: DFR0119

$7.40 AUD, inc GST
$6.73 AUD, exc GST
3W mini audio stereo amplifier
7.4 AUD

SKU: DFR0119

$7.40 AUD, inc GST
$6.73 AUD, exc GST
4 reviews 0 5 4.8


  • $6.95 Standard (2-4 days, tracked)
  • $9.95 Express (Overnight*, tracked)
  • $3 Economy Post* (3-7 days, no tracking)
  • FREE Pickup (Newcastle only)

Shipping costs may increase for heavy products or large orders.

Exact shipping can be calculated on the view cart page.

*Conditions apply, see shipping tab below.


This is a mini stereo amplifier.  It is a fully functional, two-channel audio amplifier, comes with electric switcher. 


  • Power Supply: DC 3.6-5.5V (DO NOT apply over 5.5V, it damage the chip presently)
  • Output power: 3w+3w (4 ohms)
  • Efficiency: >90%
  • Size: 15.5*24mm


  • Wiki Doc

This product is listed in:

Documentation and Resources:
  • Arduino Audio Recorder with Playback
  • This project started with an idea, as most projects do. I wondered if I could use the Arduino UNO to record audio and play it back. I wanted something to amuse the grandkids. They would press a button, say something and the device would then repeat what they had said. ...
  • A Back to the Future Clock
  • This project started life as an alarm clock for my son made to look like the time circuit from the Back to the Future movies. The display can show the time in various formats, including the one from the movies of course. It's configurable via the buttons on top of the enclosure but also via a web page served by the Raspberry Pi Zero inside. In one of the display modes it will show the local weather (from my Arduino-powered weathe...
  • Sound Effects Button
  • The idea for this project came when a friend of mine flew over from Western Australia to visit, and during his stopover in Adelaide, he did what any adult would do; visit the airport novelty store and buy some random stuff. It was pretty much all junk, except for this big green dome button which played a different, comic voice saying ‘YES’ every time you pressed it. Simple, but, it entertained us on the drive from Syd...

Product Comments

Customer Reviews

  1. Review by Paul verified purchaser

    Using this with a Raspberry Pi 3B+, plugged into the audio out jack. In my setup the amp input picks up and amplifies electrical noise from the Pi so a ferrite on the input cable might be useful. I haven't tried this because I also control the amp's handy enable pin with the Pi so it's effectively turned off until needed. I'm using it for a doorbell chime. (Posted on 1/02/2019)

  2. Review by Kevan verified purchaser

    Used with speakers above (Posted on 5/06/2017)

  3. Review by gavin verified purchaser

    Received promptly. Works terrific. (Posted on 29/11/2016)

  4. Review by Grahame - Good solution to replace low powered amp verified purchaser

    Used this to replace u/s amp in a TEAC soundbar. Pins instead of solder tags on the board would make for easier connections but the amp worked just fine and fitted easily into the available space. Made for an effective inexpensive repair. (Posted on 28/11/2014)

Exact shipping can be calculated on the view cart page (no login required).

We deliver Australia-wide with these options:

  • $3 for Small Items (3-7 days, not tracked, only available on selected small items)
  • $6.95 for Standard Post (2-4 days, tracked)
  • $9.95 for Express Post (Overnight for most of Australia, 2+ days for rural, tracked)
  • Pickup - Free! Only available to customers who live in the Newcastle region (only after we email you to notify your order is ready)

International Orders - the following rates are for New Zealand and will vary for other countries:

  • $11.49 for Pack and Track (3+ days, tracked)
  • $16.50 for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount might increment based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
NSW, 2289

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

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