Common audio output devices include headphones, speakers, sound cards, etc. This post from MiniTool teaches people how to play sound on two or more audio output devices simultaneously.Īn audio output refers to the device which can play sound and drive signals into another device's audio input. Luckily, Windows allows them to choose which sound output to use when there are multiple audio outputs detected on Windows 10. It’s a common situation that users have more than one audio output device connected to the computer.