If headphones are not working with the virtual machine, follow these instructions, i.e., enable enhanced session mode, ...
If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results