Windows 7 sets this on by default, but in most cases it should be unchecked. The solution is the “Custom” tab which has an optional “Loudness” checkbox (provided by the Microsoft USB audio class drivers). The default in Windows is a max volume of “100”.įor the high-power audio of the Plugable dock, combined with powered speakers, “100” is often too loud, and you may find that even setting the level to “1” is still too loud. When this audio device is the default device, this level is the same as the Windows master audio volume controls (the one you adjust from the sound icon in the Windows system tray) - adjusting one will adjust the other. The main volume for the device is in the “Levels” tab. Windows will persist this setting.įor adjusting the USB audio level, right click on the USB audio device to bring up the context menu and select “Properties”. your laptop’s built-in audio) and click “Set Default” to make it the default for new default sound output and/or for communications (messenger/skype/voip). By default, Windows 7 makes a new USB audio device the default - even if it doesn’t have any speakers attached! So this is also the place where, if you’re not actually using your USB or docking station audio, you can select a different audio output (e.g. This will bring up the list of available audio devices, one of which should be your USB audio device. Then, go to where the settings are collected - in the “Sound” settings from the Windows 7 Control Panel. Most Windows 7 installs will have some sample music to play in Libraries->Music->Sample Music But for headsets and self-powered speakers, the defaults may be too loud.įor those cases and others, here are some details and tips for adjusting the volume in Windows 7 with USB audio.įirst off, it helps to bring up some music in Windows Media player so you can hear the affect of your settings changes. The UD-160-A and other powered CM-6300 devices can be configured in hardware to deliver high power audio output, so it’s great even with unpowered speakers. That also means that the software options for controlling the device are all in the hands of Windows 7 itself. The CM-6300 is a “driverless” solution in that it complies with the USB audio class standard, and uses Microsoft’s own drivers provided in Windows 7. The Plugable UD-160-A Universal Docking Station and the Plubable DC-125 Zero Client Docking Station provide 2 channel USB audio via a CM-6300 chip.
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