Adafruit Audio Adapter Board for Teensy 4.x

This audio adaptor adds high quality 16-bit, 44.1 kHz audio to projects with Teensy 4.0 (Rev D, as of February 17, 2025). It supports stereo headphone and stereo line-level output, along with stereo line-level or mono microphone input.

The Teensy Audio Library offers a suite of audio processing tools, enabling simultaneous input and output. Craft intricate audio projects like synthesizing waveforms, applying effects, and mixing streams. Output these creations through headphones or line out pins with exceptional clarity.

Designed for usage with the Teensy 4.0 Dev Board, this adaptor is not pin-compatible with Teensy 3.X boards, ensuring a focused upgrade path for enhanced audio development.