open-source

MAX98357A I²S Amplifier

A digital-audio DAC and mono class-D speaker amplifier. Feed it I²S from a separate microcontroller or Raspberry Pi.

Remix this board → View source on GitHub ↗

License: CC BY-SA 3.0
Source revision: Mono Rev A
Last mirror: Sep 10, 2026
Git commit: c7cf21b4a83a

About MAX98357A I²S Amplifier

A digital-audio DAC and mono class-D speaker amplifier. Feed it I²S from a separate microcontroller or Raspberry Pi. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Audio & music · two copper layers
Open source (CC BY-SA 3.0) · Limor Fried / Adafruit Industries
Mirrored at c7cf21b4a83a

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/max98357a-amplifier/c7cf21b4a83affb8bd0ee4fb8251d5b266d964ff/cf4299cfaaefbf81 on the artifact CDN and are not checked into git.