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Getting Started

Inside the box​

System requirements​

Horizon requires a compatible Mac running macOS 14 Sonoma or later with Thunderbolt 3 or later connectivity. A USB-C connection without Thunderbolt support is not sufficient. Windows is not supported. Check Audient's support pages for the latest compatibility information.

Horizon requires an active Thunderbolt connection to a powered-on compatible computer to operate. Standalone operation without a host computer is not supported. Routing, Monitor Controller state and other Horizon settings are maintained by the host system and restored after a computer restart or Horizon power cycle once the host is powered on and the Thunderbolt connection is active again.

Installing Horizon Control and the driver​

Download Horizon Control from Audient ARC and run the installer. The installer installs Horizon Control and the required driver.

To authorise the Horizon driver extension, follow the steps for your macOS version. On macOS Sonoma, open System Settings > Privacy & Security and select Allow for the Horizon extension. On macOS Tahoe, open System Settings > General > Login Items & Extensions, open Horizon Control Extension and enable the driver. Restart your Mac to activate the driver. For other supported macOS versions, refer to Audient's driver installation guidance.

Once installed, open Horizon Control and follow the setup prompts. Complete driver setup and authorisation first, update the firmware if prompted, then add your Horizon devices. Devices already added do not need to be added again when you reopen the application.

First connection​

  1. Connect Horizon 8P to mains power using the IEC power connection.

  2. Connect one of the Horizon 8P Thunderbolt ports to the host computer using a Thunderbolt 3 or later cable. A standard USB-C cable is not suitable for the Horizon host connection. Each Thunderbolt port can provide up to approximately 15 W of bus power to a connected Thunderbolt device.

  3. Connect your monitor system and/or headphones as required.

  4. When mains power is applied, Horizon 8P powers on automatically and displays the startup animation on the Motion UI.

  5. On first power-up, follow the Motion UI prompts to set the display brightness and choose the initial Function button assignment.

  6. Open Horizon Control.

If Horizon 8P has not already been added to the current Horizon system:

  1. Open Hardware Settings.

  2. Select Add Device.

  3. Select the connected Horizon 8P from Available Devices.

  4. Select Save.

  5. Keep the default product name or enter a custom name when prompted.

Once added, Horizon 8P appears in the device list and its available I/O is shown in the Mixer and Routing Matrix.

Product registration​

Register your Horizon 8P through Audient ARC to access available software and product resources.