9er Systems — An Aviation Audio Company

USB2x Toolbar · Release Notes

What’s New

Each release is listed below, newest first.

The toolbar checks this page in the background and will let you know inside the app when a newer version is available. You can always download the latest installer from the download page.

v1.0.15 — May 25, 2026

Clarified squelch controls

  • Relabeled the Squelch Sensitivity control and reoriented the slider so the direction matches the labels — pulling left now clearly means “less sensitive” and right means “more sensitive.”

Download v1.0.15: macOS (.dmg) · Windows (.msi)

v1.0.14 — May 22, 2026

Initial public release

This is the first publicly available version of the 9er Systems Toolbar. It controls sidetone, voice-activated VOX, and input/output audio levels on the USB2GA and USB2Lemo adapters on both macOS and Windows.

Future releases will be summarized here as they ship, with the highlights that justify each update. If you spot anything we can improve, please let us know.

Download v1.0.14: macOS (.dmg) · Windows (.msi)