Speakers & Buzzers
Browse our range of speakers, buzzers, piezo transducers, and audio amplifier modules for your next project. From small breadboard-friendly speakers to Bluetooth amplifier boards, you'll find audio output components suited to Arduino, Raspberry Pi, and other microcontroller platforms.
Ideal for maker projects, STEM education, robotics, and DIY audio builds. We ship from Australia with a wide selection of sizes and power ratings to match your needs.
Active Buzzer
SKU: LB-LR0288 | Brand: Little Bird
A simple 5V active buzzer that generates a tone using its built-in oscillator. Just apply a DC voltage and it sounds — no additional signal generation or driver circuit required. Ideal for adding audible alerts, alarm...
Delivered by Fri 16 Oct
Passive Buzzer
SKU: LB-LR0289 | Brand: Little Bird
This passive buzzer is a simple sound-making component for Arduino, microcontroller and electronics projects. Unlike an active buzzer, it needs a changing signal to produce sound rather than generating a tone automati...
Delivered by Fri 16 Oct
Buzzer Piezo 20mm
SKU: LB-LS0038B | Brand: Little Bird
The Buzzer Piezo 20mm is a compact and efficient sound-producing device that is perfect for a variety of electronic projects. With its 20mm diameter, this piezo buzzer is designed to deliver clear and audible sound in...
Delivered by Fri 16 Oct
Thin Speaker - 4 Ohm, 2.5W, 28mm
SKU: SF-COM-21311 | Brand: SparkFun
A compact, thin speaker ideal for projects where space is tight. At just 28 mm in diameter and approximately 4 mm thick, it fits into enclosures and wearables where standard speakers won't. The pre-wired 180 mm cable ...
Delivered by Tue 27 Oct
Large Enclosed Piezo Element w/Wires
SKU: AF-1739 | Brand: Adafruit
This large enclosed piezo element (30 mm diameter) converts vibration to voltage and voltage to vibration, making it useful both as a buzzer for generating tones and as a sensor for detecting knocks and impacts. The e...
Delivered by Fri 16 Oct
Small Enclosed Piezo w/Wires
SKU: AF-1740 | Brand: Adafruit
This small (14mm diameter) piezo element is nicely enclosed so you can attach easily. Piezo elements convert vibration to voltage or voltage to vibration. That means you can use this as a buzzer for making beeps, tone...
Delivered by Mon 9 Nov
2 x 45mm 4ohm 4Ω 3W Stereo Speaker with PH2.0 Plug
SKU: LB-LS6972x2 | Brand: Little Bird
A compact stereo speaker pair for small audio projects, handheld devices, and embedded builds. Each 45mm driver is rated at 4Ω and 3W, delivering clear, balanced sound in a slim form factor. Pre-wired with a PH2.0 plu...
Delivered by Fri 16 Oct
Through-Hole Speaker
SKU: SF-PRT-20660 | Brand: SparkFun
This is a small 15mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.This through-hole speaker is great for projects where you don't have...
Delivered by Fri 16 Oct
4Ω 6W Speaker
SKU: LB-LS6069 | Brand: Little Bird
This compact enclosed speaker delivers clear audio output at up to 6W with a 4Ω impedance, suitable for a wide range of DIY audio and display projects. It comes with a JST PH 2-pin input cable for easy connection to a...
Delivered by Fri 16 Oct
Thin Speaker - 0.5W
SKU: SF-COM-15350 | Brand: SparkFun
If you want to get some sound out of your project but have a tight space budget, this is a good way to do it. This 0.5W, 8Ohm speaker is only 40mm in diameter and just over 4mm thick, the same kind you might find in o...
Delivered by Tue 27 Oct
Speaker - PCB Mount - SparkFun Electronics
SKU: SF-COM-27247 | Brand: SparkFun
A compact through-hole speaker that solders directly to your PCB. When you need better audio quality than a piezo buzzer but don't have room for a full-sized speaker, this 30mm unit hits the sweet spot – clear enough ...
Delivered by Tue 27 Oct
Large Surface Transducer
SKU: SF-COM-19102 | Brand: SparkFun
Turn a table, wall, cardboard box or other flat surface into a speaker with this large surface transducer. Instead of using a traditional cone, the coil is attached to a pad that transfers vibration directly into the ...
Delivered by Tue 27 Oct
3W Speaker with XH2.54 wire 8R
SKU: LB-LS8359 | Brand: Little Bird
Add straightforward sound output to your electronics project with this 3W speaker fitted with an XH2.54 wired connection.It is a handy choice for maker builds that need basic audio alerts or playback, including small ...
Delivered by Fri 16 Oct