For a USB headset with no playback, Logitech recommends selecting it as the computer's audio output and checking the same selection in the chat or music application. These choices can differ, especially when a computer has built-in speakers or other connected sound devices.

Check volume and mute in the operating system, application and headset itself. If the route appears correct, connect directly to another USB port without a hub or extension. A successful recording test does not replace these output checks because microphone input and headphone playback follow different settings.