# LSX II Volume Fixer: reconstructing volume behavior

> Uses measured USB-volume behavior and a macOS audio proxy to map volume keys to a KEF LSX II’s LAN control. The project reports more even steps while forwarding USB audio; the speaker firmware is unchanged.

- Type: Case study
- Targets: App
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-10-16
- Added to the catalog: 2026-10-17
- Original resource: <https://github.com/roberdorfer/kef-lsx-volume>
- Primary source: <https://github.com/roberdorfer/kef-lsx-volume/blob/6fbd7f76c63bf6d7da0979db4a1b312a064e0b4b/README.md>
- Catalog page: <https://awesomerea.org/resources/kef-lsx-volume-case/>
- Record JSON: <https://awesomerea.org/resources/kef-lsx-volume-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/kef-lsx-volume-case/index.md)

## Requirements & limits

- **Prerequisites:** Requires an LSX II connected by USB and on the same LAN, macOS 14+, Xcode Command Line Tools and administrator installation. The author reports testing on macOS 27; only LSX II is tested.
- **Prerequisites:** Builds from source with ad-hoc signing; Windows support is only proposed. MIT source is available.
- **Testing evidence:** The volume curve, latency and audio claims are author-reported.

## Primary sources

1. <https://github.com/roberdorfer/kef-lsx-volume/blob/6fbd7f76c63bf6d7da0979db4a1b312a064e0b4b/README.md>
2. <https://github.com/roberdorfer/kef-lsx-volume/blob/6fbd7f76c63bf6d7da0979db4a1b312a064e0b4b/docs/usb-volume-curve.md>
3. <https://github.com/roberdorfer/kef-lsx-volume/blob/6fbd7f76c63bf6d7da0979db4a1b312a064e0b4b/LICENSE>

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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.