# Prismatic: reconstructing SteelSeries Arena 7 RGB control

> Prismatic reconstructs the SteelSeries Arena 7 speaker lighting exchange in a macOS menu bar app. It sends USB HID output report 0x06 with commands and RGB values for four zones, using a layout recovered from SteelSeries GG USBPcap traffic. The app controls left and right colors, brightness and power.

- Type: Case study
- Targets: Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-08
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/szamski/Prismatic-for-macOS>
- Primary source: <https://github.com/szamski/Prismatic-for-macOS/blob/36325050449c7b1dfd0af6b3c77f499183d74bfb/README.md>
- Catalog page: <https://awesomerea.org/resources/prismatic-arena7-case/>
- Record JSON: <https://awesomerea.org/resources/prismatic-arena7-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/prismatic-arena7-case/index.md)

## Requirements & limits

- **Prerequisites:** Requires macOS 14+ and SteelSeries Arena 7 speakers connected by USB.
- **Prerequisites:** Building from source requires full Xcode.
- **License:** MIT license.

## Primary sources

1. <https://github.com/szamski/Prismatic-for-macOS/blob/36325050449c7b1dfd0af6b3c77f499183d74bfb/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.