Adafruit
Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi [Mini Kit]
The Adafruit I2S 3W Stereo Speaker Bonnet adds high-quality digital audio output to any Raspberry Pi with a 2×20 GPIO header. Using the I2S digital sound sta...
The Adafruit I2S 3W Stereo Speaker Bonnet adds high-quality digital audio output to any Raspberry Pi with a 2×20 GPIO header. Using the I2S digital sound standard, audio data goes directly to the onboard Class D amplifier — delivering crisp, static-free stereo sound without relying on the Pi's headphone jack.
Sized to match the Raspberry Pi Zero footprint, this bonnet is compatible with all Raspberry Pi models including the A+, B+, Zero, Pi 2, Pi 3, and later. It works with Raspbian and RetroPie, and Adafruit's installer script gets you up and running in minutes.
Key Features
- I2S Digital Audio – Clean digital signal path with no analogue noise or static
- 3W Stereo Amplifier – Drives two 4Ω to 8Ω speakers at up to 3W per channel
- Plug-and-Play JST Jack – Connect enclosed speaker sets directly without soldering
- Terminal Block Option – Solder on the included terminal blocks to connect any compatible speaker
- Pi Zero Form Factor – Compact bonnet fits all Raspberry Pi models with 2×20 header
- Easy Setup – Run the Adafruit installer script, reboot, and start playing audio
- Compatible with Raspbian & RetroPie – Tested and supported on popular Pi operating systems
Ideal For
- Raspberry Pi media players and music streamers
- RetroPie retro gaming consoles with stereo sound
- Voice assistant and audio notification projects
- Portable Pi projects requiring amplified speakers
Package Contents
- 1× Adafruit I2S 3W Stereo Speaker Bonnet (assembled and tested)
- 2× Terminal Blocks
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- I2S
- I2S is a digital audio interface used to send sound data between chips, such as from a microcontroller to an audio amplifier or DAC. It matters if your project needs cleaner digital audio output than a basic buzzer or PWM signal can provide.
- Terminal block
- A connector used to join wires together in a neat, removable, or serviceable way. For this product, it helps split one power input into several outputs without soldering.
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