Custom Teensy 4 Audio Shield (Rev D) audio module diy speaker Manufacturer

Product Introduction
Teensy4 Audio Shield can integrate your audio projects into Teensy4.0.
High-quality 16bt/44.1kHz sampling rate audio can be added to Teensy. With the Teensy Audio Library, you can use input and output at the same time to create a variety of excellent audio projects.
The development board uses a stereo codec and headphone amplifier C to decode and drive audio files and can run Cortex-M4DSP instructions from the Teensy4.0 development board.

Note: You also need to purchase the Teensy40 to make the Teensy Audio Shield work properly

Features of Teensy4 Audio shield(D)
16bit, 44.1kHz sampling rate audio
Play uncompressed WAV and Raw audio
4-channel software mixer
35mm audio jack
micro-SD card slot
Support stereo headphones and stereo line level output