You can enable your virtual machine to use the Mac's sound device.

1

Select Window > Virtual Machine Library.

2

Select a virtual machine in the Virtual Machine Library window and click Settings.

3

Under Removable Devices in the Settings window, click Sound Card.

4

Select the Connect Sound Card check box.

5

Select the Output Device and Input Device

6

(Optional) Select the Enable Echo Cancellation check box if there is sound echo in your virtual machine.