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Here are the most useful picks for “audio,” grouped by common needs:
Add audio I/O to a microcontroller / SBC
- I2S DAC + built-in headphone/speaker drive: TLV320DAC3100 I2S DAC with Headphone & Speaker Out (I2S, headphone out + mono 4–8Ω speaker support) — $17.10
- Full stereo codec (input + output): WM8960 Audio Codec Breakout with Headers (Qwiic) (I2S ADC + DAC, Qwiic/I2C control) — $34.10
- Raspberry Pi line-out (I2S): Audio DAC SHIM (Line-Out) (slim line-level output for amps/powered speakers) — $31.00
- Teensy audio: Audio Adapter Board for Teensy 4.0 (16-bit / 44.1kHz “CD-quality” audio) — $38.50
Wireless / playback modules
- Bluetooth stereo streaming module: Roving Networks RN-52 Wireless Audio Module (embedded wireless audio streaming) — $51.65
- Bluetooth receiver + USB/TF playback: Bluetooth Audio Receiver and Playback Module (plays MP3/WMA/WAV/FLAC, built-in preamp) — $24.85
Amplification + speakers
- Simple amp module: 386AMP Audio Amplifier Module (Arduino compatible) (LM386-based, 26 dB gain) — $20.95
- Tiny project speaker: Mini Speaker - 1W 8 Ohm (1W, 8Ω, very compact) — $2.30
- Raspberry Pi amplified speaker output: Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi [Mini Kit] (I2S, 3W stereo amp) — $27.95
Microphones (audio input)
- USB plug-and-play mic: Mini USB Microphone (driverless USB mic for PCs/Raspberry Pi) — $13.25
- Digital I2S mic: I2S MEMS Microphone Breakout - ICS-43434 (I2S digital audio) — $12.15
- Analog mic + adjustable gain preamp: Electret Microphone Amplifier - MAX4466 with Adjustable Gain (great for MCU analog input) — $14.45
Cables / connectors
- Standard AUX cable: Stereo 3.5mm Plug/Plug Audio Cable - 6 feet (3.5mm TRS, 6 ft) — $7.30
What kind of audio are you working with?
Showing 21-40 of 80 products · 20 unavailable products hidden
3.5mm (1/8) 4-Pole (TRRS) Audio Jack Terminal Block
A 3.5 mm (1/8") 4-pole TRRS audio jack with screw terminal connections — no soldering required. Use stranded or solid-core wire and a small screwdriver to create custom audio wiring jigs, breakouts, and test setups. TRRS stands for Tip, Ring, Ring, Sleeve, providing four contacts: three signal l...
RCA (Composite Video, Audio) Male Plug Terminal Block
One truth about working with A/V is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block RCA connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is the RC...
RCA (Composite Video, Audio) Female Jack Terminal Block
One truth about working with A/V is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block RCA connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is the RCA...
3.5mm (1/8) Stereo Audio Jack Terminal Block
A 3.5 mm (1/8") stereo (TRS) audio jack with screw terminal connections — no soldering required. Use stranded or solid-core wire and a small screwdriver to create custom audio wiring jigs, breakouts, and test setups. This is the most common size and style of audio connector, used in headphones, ...
3.5mm (1/8) Stereo Audio Plug Terminal Block
A 3.5 mm (1/8") stereo (TRS) audio plug with screw terminal connections — no soldering required. Use stranded or solid-core wire and a small screwdriver to create custom audio cables, breakouts, and test leads. This is the most common size and style of audio connector, used in headphones, speake...
Audio Analyzer Module
This Audio Analyzer module features the MSGEQ7 graphic equalizer display filter.It will give your arduino ears. Sound is broken down into seven frequency bands and the peak level for each band can be read. The seven frequencies measured are as follows: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz a...
3W mini audio stereo amplifier
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 integrated sleep mode that can be controlled via a microcontroller. Operating from 3.6–...
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger - 16MB
The Adafruit Audio FX Mini Sound Board is a standalone audio trigger that plays WAV and OGG Vorbis files — no Arduino or programming required. Simply drag and drop sound files over USB, wire up buttons to the trigger pins, and you're ready to go. With 16 MB of built-in flash storage, it holds app...
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger - 2MB
The Adafruit Audio FX Mini Sound Board is a standalone audio trigger that plays WAV and OGG Vorbis files — no Arduino or programming required. Simply drag and drop sound files over USB, wire up buttons to the trigger pins, and you're ready to go. With 2 MB of built-in flash storage, it holds a fe...
Adafruit Audio FX Sound Board - WAV/OGG Trigger - 16MB storage - Headphone out only
The Adafruit Audio FX Sound Board is a standalone audio trigger that plays WAV and OGG Vorbis files — no Arduino or programming required. Simply drag and drop sound files over USB, wire up buttons to the trigger pins, and you're ready to go. With 16 MB of built-in flash storage, it holds approxim...
Adafruit Audio FX Sound Board - WAV/OGG Trigger - 16MB storage with 2x2W Amp
The Adafruit Audio FX Sound Board with 2×2W Amp is a standalone audio trigger with a built-in stereo Class D amplifier — no Arduino or programming required. Simply drag and drop WAV or OGG sound files over USB, wire up buttons and speakers, and you're ready to go. With 16 MB of built-in flash, it...
Adafruit Audio FX Sound Board - WAV/OGG Trigger - 2MB storage with 2.2W Stereo Amp
The Adafruit Audio FX Sound Board with 2×2W Amp is a standalone audio trigger with a built-in stereo Class D amplifier — no Arduino or programming required. Simply drag and drop WAV or OGG sound files over USB, wire up buttons and speakers, and you're ready to go. With 2 MB of built-in flash, it ...
Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302
The Adafruit Mono 2.5W Class D Audio Amplifier delivers powerful sound from a tiny package. Based on the PAM8302 chip, it drives 4–8 ohm speakers at up to 2.5 W with over 90% efficiency — making it ideal for portable and battery-powered audio projects. A significant upgrade over basic LM386-based...
Adafruit Audio FX Sound Board - WAV/OGG Trigger - 2MB storage - Headphone out only
The Adafruit Audio FX Sound Board is a standalone audio trigger that plays WAV and OGG Vorbis files — no Arduino or programming required. Simply drag and drop sound files over USB, wire up buttons to the trigger pins, and you're ready to go. With 2 MB of built-in flash storage, it holds a few min...
Panel Mount RCA (Composite Video, Audio) Cable
This panel-mount RCA cable provides a clean, permanent composite video or audio connection for enclosures and project boxes. Two RCA connectors (one panel-mount, one plug) are joined by a 264 mm (10.4″) cable, with two mounting screws spaced 20 mm apart for secure panel installation. Ideal for c...
Stereo 20W Class D Audio Amplifier - MAX9744
A compact Class D stereo amplifier breakout based on the Maxim MAX9744. It drives two channels of 4–8 Ω speakers at up to 20 W each, powered from 4.5–14 V DC. With up to 93% efficiency, it runs cool without heatsinks — ideal for portable and battery-powered audio projects. Volume can be controll...
Stereo 2.8W Class D Audio Amplifier - I2C Control AGC - TPA2016
A mini class D with AGC and I2C control? Yes please! This incredibly small stereo amplifier is surprisingly powerful. It is able to deliver 2 x 2.8W channels into 4 ohm impedance speakers (@ 10% THD) and it has a i2c control interface as well as an AGC (automatic gain control) system to keep your...
Audio Cable 3.5mm 6ft
A standard 3.5 mm stereo audio cable with a length of 6 ft (~1.8 m). Both ends feature a standard 3.5 mm TRS plug, making it suitable for audio connections, basic data transmission, or carrying analogue voltage signals between devices. Key Features 3.5 mm TRS Connectors – Standard stereo plug ...
HDMI to VGA + Stereo Audio Converter
Convert a HDMI source such as a DVD or Blu-ray player to a VGA display. This unit will also convert the audio signal from HDMI to analogue audio which can be output to some speakers or headphones using the 3.5mm audio socket. This unit is powered by the HDMI signal and includes a USB Micr...
USB Audio Adapter - Works with Raspberry Pi
The Raspberry Pi has an on-board audio jack, which is super handy for all kinds of sound effects and speech, just plug and go! However, for when you want better audio for music playback, a USB audio card can greatly improve the sound quality and volume. That's because the on-board audio is genera...
