USB speakers cannot play CDs

The new USB interface speakers, play other audio can play normally, but when playing CD music disc can not play.

This happens because some of the players on the computer do not support the digital audio in the CD to play with the speakers. Therefore, in the use of USB speakers, first of all to the CD drive compatibility to view, as required to install the USB speakers. Then select "Control Panel" → "Sound and Audio Devices", the USB speakers as the first choice for audio playback devices. In addition, select the CD-ROM device to play digital CD audio. If this option is not found in the settings or if the option is dimmed, the drive does not support playback of digital audio.