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title: At Last, A Gameboy Advance With Decent Audio | daily.dev
description: A hobbyist project called GameBoy HiFi Audio replaces the Gameboy Advance's stock PWM audio chip with a custom PCB featuring filtering, EQ, a class D...
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# At Last, A Gameboy Advance With Decent Audio

**[Hackaday](https://daily.dev/sources/hackaday)** · 1 min read · 0 upvotes · 1 comments

## Summary

A hobbyist project called GameBoy HiFi Audio replaces the Gameboy Advance's stock PWM audio chip with a custom PCB featuring filtering, EQ, a class D amplifier, an audio codec, and an ESP32 for Bluetooth connectivity. The mod installs on the pads left by the removed original chip and requires no case modification, with full build files available on GitHub.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://hackaday.com/2026/08/24/at-last-a-gameboy-advance-with-decent-audio>

## Questions this post answers

### How can I fix the poor audio quality on a Gameboy Advance?

A community project called Gameboy HiFi Audio replaces the stock PWM audio chip with a custom PCB that solders into the removed chip's pads, adding filtering, EQ, a class D amplifier, and an audio codec. It also includes an ESP32 for Bluetooth output, toggled with a long button press and configured via a web interface. Design files and firmware are published on GitHub, and no case modification is needed.

_Retro console modders track hands-on hardware builds like this Gameboy audio fix on daily.dev._

## Community discussion

Top comments from developers on daily.dev.

**@frazzledturtle** · 0 upvotes

> Will definitely try it!

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Tags: [#iot](https://daily.dev/tags/iot), [#embedded](https://daily.dev/tags/embedded)

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