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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 50 products · 10 unavailable products hidden
USB-C to 3.5mm Audio Headphone Jack - iPhone Compatible
USB C to 3.5mm Audio Headphone Jack DAC AdapterOverviewThe USB C to 3.5mm Audio Headphone Jack DAC Adapter is your go-to solution for connecting traditional 3.5mm audio devices to modern USB-C devices without a headphone jack. Whether you're listening to music, taking calls, or using your favorit...
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...
SparkFun I2S Audio Breakout - MAX98357A
The SparkFun I2S Audio Breakout board uses the MAX98357A digital to analog converter (DAC), which converts I2S (not be confused with I2C) audio to an analog signal to drive speakers. The I2S Audio Breakout converts the digital audio signals using the I2S standard to an analog signal and amplifies...
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...
I2S Microphone Module
A compact digital MEMS microphone module based on the MSM261S4030H0 chip, providing 24-bit I2S digital audio output. The built-in I2S interface connects directly to DSPs and microcontrollers without requiring an external codec, simplifying audio capture designs. An on-board SK9822 RGB LED provide...
A/V and RCA (Composite Video, Audio) Cable for Raspberry Pi
An A/V RCA cable designed for the Raspberry Pi 3, 2, A+ and B+. Connect the 3.5 mm TRRS jack to your Pi and the RCA plugs to any composite video and stereo audio display or TV. Key Features Correct TRRS Wiring – Pinout is Left, Right, Ground, Video — designed for Raspberry Pi composite output ...
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–...
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 ...
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, ...
Teensy Audio Tutorial Extra Parts Kit
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This kit gathers the small supporting parts needed to complete projects from the official Teensy Audio Tutorial. It is intended for makers who already have a Teensy board and the main audio adapter, but still need the specific buttons, potentiometers and connectors used in the tutorial builds.Ins...
SparkFun Spectrum Shield
The SparkFun Spectrum Shield splits a stereo audio input into 7 frequency bands per channel using two MSGEQ7 graphic equaliser ICs. Read the amplitude of each band via your Arduino's ADC to create sound-reactive projects — from LED visualisers and light shows to sound-activated motors, relays, an...
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...
6+1 Microphone Array
A 6+1 MEMS microphone array built around seven MSM261S4030H0 high-sensitivity digital silicon microphones. Designed for advanced audio applications including noise suppression, echo cancellation, reverb reduction, and sound source localisation. The array outputs raw digital audio over I2S, elimi...
2.5mm Mono Audio Cable to Alligator Clips
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This cable provides a simple way to connect a 2.5mm mono audio plug to two alligator clips. It is made from 22 AWG wire and is 8in. long, making it handy for quick bench connections, testing and temporary hook-ups.One end has a 2.5mm mono plug, while the other end breaks out to two alligator clip...
5V 3A Dual USB Step Down Buck Converter Module
This dual-USB step-down buck converter accepts 8–32V DC input and delivers a regulated 5V output at up to 3A across two USB Type-A ports simultaneously. With over 85% conversion efficiency and built-in reverse-connection and overload protection, it provides a compact and reliable way to power USB...
Bluetooth Audio Receiver Decoding Player
This is a bluetooth audio receiver module with usb and TF card decoding. Usually it’s can be used as a mp3 player, just a TF card and DC 5V power supply. It has five buttons for you to change mode or achieve other audio control like volume adjustment. It has two modes : music mode and bluetooth d...
Large Piezo Alarm - 16 Tone
A piezo alarm with 16 selectable tone patterns configured via on-board DIP switches. Tone options include continuous, chime, intermittent, warble, and pulsating modes. Capable of producing up to 103 dB(A) at 16 V, making it suitable for audible alarm and alert applications. Key Features 16 Ton...
Panel Mount 1/8 / 3.5mm Mono Connector
Pipe audio in or out of your project with this very handy panel mount audio jack. It's a mono jack with a disconnect pin so you'll get a ground sleeve pin, a left tip pin and a pin that will be disconnected when a jack is inserted. You can use any 3.5mm audio cable with this jack.Each jack comes ...
Piezo Element
A simple piezo element that can be used as both a sensor and a small audio transducer. When flexed or tapped, it generates a voltage that can be read by a microcontroller, making it ideal for knock and vibration detection projects. Connect the output to an analog input on your Arduino or other m...
2.5mm DIY Stereo Plug Connector
A 2.5mm stereo (TRS) plug connector for building or repairing custom audio cables. The durable metal construction and flexible spring strain relief ensure a long-lasting, professional result. The 2.5mm plug is a less common size than the standard 3.5mm headphone jack, but is widely used in hands...
