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.
Mini Portable Hamburger Speaker Amplifier for iPod/iPad/Laptop/Phone/Tblet PC
SKU: EC-RPA08821S | Brand: Elecrow
This speaker equipped with 360-degree sound field integrates a cone design with a custom-built speaker to project sound in all directions. It can offer deep and rich sound with HI-FI result for it comes with 1.4 subwo...
Delivered by Mon 17 Aug
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 Fri 31 Jul
Speaker - 3inch / 76.2mm Diameter - 4 Ohm 3 Watt
SKU: AF-1314 | Brand: Adafruit
A 3-inch (76.2 mm) speaker cone with 4 Ω impedance and 3 W power handling. Four mounting tabs spaced 60 mm apart make it easy to secure in enclosures or project housings. Pairs well with Class D amplifier boards for c...
Delivered by Fri 31 Jul
Mini USB Stereo Speaker
SKU: SF-COM-18343 | Brand: SparkFun
Add some crisp and compact audio to your project with this Mini External USB 2.0 Speaker. It's USB-only and does not require or use a 3.5mm audio jack. You'll get great audio, even with a device that doesn't have a he...
Delivered by Wed 12 Aug
Speaker - 40mm Diameter - 4 Ohm 3 Watt
SKU: AF-3968 | Brand: Adafruit
Hear the good news! This speaker is a great addition to any audio project where you need a 4 Ohm impedance and 3W or less of power. At 40mm diameter it has a more square-ish shape, but a smaller face. Sound quality...
Delivered by Tue 25 Aug
HIFI Digital Bluetooth Amplifier-50W*2
SKU: DF-DFR0803 | Brand: DFRobot
A HiFi digital power amplifier board with Bluetooth 5.0 and AUX input, delivering 50W per channel in a dual-channel configuration. With AM interference suppression and filtering, the board achieves THD as low as 0.1% ...
Delivered by Wed 12 Aug
Voice Prompt Module with Integrated MP3 Player and Speaker
SKU: DF-DFR1173 | Brand: DFRobot
This compact voice prompt module integrates an intelligent MP3 playback chip with a 1 W speaker in a tiny 30 × 11 mm package. It supports MP3, WAV, and WMA hardware decoding with 16 MB of on-board storage that retains...
Delivered by Fri 31 Jul
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 31 Jul
20W 4 Ohm Full Range Speaker [XS-GTF1027]
SKU: AF-1732 | Brand: Adafruit
A high-power 4" (102mm) full-range speaker rated at 20W continuous with 4Ω impedance. The wide frequency response of 60Hz–24kHz delivers clear audio across the full spectrum, making it suitable for projects where you ...
Delivered by Fri 31 Jul
Mono Enclosed Speaker with Plain Wires - 3W 4 Ohm
SKU: AF-4445 | Brand: Adafruit
A compact 2.8" × 1.2" enclosed mono speaker delivering clear audio output at 3W and 4 ohm impedance. The sealed enclosure provides improved sound quality and volume compared to bare speaker drivers of a similar size. ...
Delivered by Tue 25 Aug
3W mini audio stereo amplifier
SKU: DF-DFR0119 | Brand: DFRobot
This compact stereo amplifier module from DFRobot is based on the PAM8403 chip, delivering 3W per channel into 4Ω speakers with over 90% efficiency. It's a fully functional two-channel audio amplifier with an integrat...
Delivered by Wed 12 Aug
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 31 Jul
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 Wed 12 Aug