# Keybow 2040 with Adafruit STEMMA Speaker

**URL:** <https://forums.pimoroni.com/t/keybow-2040-with-adafruit-stemma-speaker/28844>\
**Category:** Projects\
**Created:** [April 25, 2026, 2:16pm UTC](https://forums.pimoroni.com/t/keybow-2040-with-adafruit-stemma-speaker/28844 "2026-04-25T14:16:43Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![kjw](https://avatars.discourse-cdn.com/v4/letter/k/e79b87/32.png) [@kjw](https://forums.pimoroni.com/u/kjw)\
**Post date:** [May 29, 2026, 9:42pm UTC](https://forums.pimoroni.com/t/keybow-2040-with-adafruit-stemma-speaker/28844/3 "2026-05-29T21:42:20Z")

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And a Keybow 2040 with added I2S audio amplifier (based on Analog Devices MAX98357A) and stereo speakers: [Instructables: Macropad With Digital Stereo Audio Using Pimoroni Keybow 2040 and MAX98357A Audio Board (HID + MIDI Capable)](https://www.instructables.com/Keybow-2040-I2S-Stereo-Speakers-Macropad-Addition/)

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