PC

1. Plug the Transmitter into a USB-A port on the PC.
2. Switch the Transmitter to PC mode by pressing the button on the transmitter until the LED turns white.

3. Turn on your A20 Wireless Headset.

4. Right-click the Speaker icon in your Taskbar and select Playback Devices.
5. Select ASTRO A20 Game, right-click and set as Default Device.
6. Select ASTRO A20 Voice, right-click and set as Default Communication Device.
7. Navigate to your “Recording Devices” tab in your Sound settings on your PC.
8. Ensure that ASTRO A20 Voice is set as Default Device and Default Communication Device.
9. The A20 Wireless Headset is able to deliver spatial audio via Dolby Atmos and Windows Sonic. For help setting up 3D audio with your PC, please visit ASTRO + Dolby Atmos & Windows Sonic.

Mac

1. Plug the Transmitter into a USB-A port on the PC.
2. Switch the Transmitter to PC mode by pressing the button on the transmitter until the LED turns white.

3. Turn on your A20 Wireless Headset.

4. Navigate to Settings, select Sound, then Output and choose ASTRO A20 Game.

5. Select Input and choose ASTRO A20 Voice.

6. The A20 Wireless Headset is able to deliver spatial audio via Dolby Atmos. For help setting up 3D audio with your Mac, please visit ASTRO + Dolby Atmos & Windows Sonic.