How to get Audio output devices(Speaker) list in Unity? Like Microphone device list..

Hi All,
I want to give option to select Audio output devices for user. For Microphone, I used Microphone class to list out the devices and set it as selected. But I could not found any class to get speaker devices list. Please guide me to do that or let me know about the feasibility.

Thanks in advance.

Hey Have you found out any solution, is there any method for it.
thanks