# Open HLX

> Control Audio Authority HLX Series Modular Matrix System audio/video switching. (iPhone/iPad app by Grant Erickson.)

- Source: https://appshunter.io/ios/app/open-hlx/id1587523066 (this page in markdown: same URL + `.md`)
- Developer: [Grant Erickson](https://appshunter.io/developer/1484134528)
- Category: Entertainment, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 1 MB
- Languages: English
- Released: 2021-09-28
- Data updated: 2026-06-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/open-hlx/id1587523066/reviews.md

## What is Open HLX?

An app for interacting with the Audio Authority HLX Series Modular Matrix System High Definition Audio/Video Switching System.

This app features the ability to change group or zone volume mute status, volume level, and input source.

## Key features

- Change group volume
- Change zone volume
- Adjust mute status
- Select input source
- High Definition Audio/Video Switching


## Frequently asked questions about Open HLX

### What can I control with Open HLX?

Open HLX allows you to change group or zone volume, mute status, and input source for your Audio Authority HLX Series Modular Matrix System.

### Is Open HLX free to use?

Yes, Open HLX is available for free and does not have any in-app purchases or advertisements.

### What devices does Open HLX support?

Open HLX is compatible with iPhone, iPad, and iPod devices.

### How often is Open HLX updated?

The latest version of Open HLX was released on February 10, 2025, indicating active development and support.

### What is the age rating for Open HLX?

Open HLX has an age rating of 4+, making it suitable for a wide range of users.

### What is the user rating for Open HLX?

Open HLX has received a perfect rating of 5.0 stars from 1 user review.

### Does Open HLX have ads?

No, Open HLX is ad-free, providing an uninterrupted user experience.

## Version history (last 3 releases)

### 1.0.3 — 2025-02-10

Addressed an issue in the "Open HLX" app in which unused content were incorrectly rendering under the zone detail navigation view "Back" element.

### 1.0.2 — 2024-12-23

Updated to reflect upstream OpenHLX 1.2.2 package.

### 1.0.1 — 2021-09-29

No release notes.

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## Related topics

[open hlx](https://appshunter.io/ios/topics/open-hlx)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*