GBAmp by Anton Veretenenko is an little but powerful "Hi-Fi" grade Class-D amplifier module for Gameboy / Color / Advance. It is made to boost the low-volume speaker of original consoles and give it a nice powerfull sound. It will also help improve the battery usage.
Installation instructions can be found from Anton's website.
Here's what you get:
- 1x GBAmp v3 board
The Gameboy Pocket requires a slim speaker, it is included in the price.
Color may slightly vary from what you see on your display.