All Products

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