: Users often find this hardware is limited to 16-bit/48kHz output. If your audio sounds poor or is limited, check the Sound Control Panel properties and ensure "Loudness Equalization" is off and the sample rate is set to the highest available. Physical and Port Troubleshooting :

Windows 10 (release 1703 and later) and Windows 11 include a standard USB Audio 2.0 driver (usbaudio2.sys) that handles these chips automatically. Third-Party Tools If automatic updates fail, tools like the Realtek USB Audio Driver

Look for lines containing AddReg=AB13X.Settings.AddReg . Add HKR, “Settings”, 0x00010001, 1, 0x00 to bypass power saving.

C-Media does not directly distribute end-user drivers, but OEMs like Syba, Startech, and Vantec do. Search for “CM108 driver” on the or Syba website.