You might think that only the sound card really counts as an audio device, but to Windows there’s no difference between your sound card’s audio output and your Bluetooth headphones. Feel free to share them in the comments! Understanding Sound Devicesīefore we get into the nuts and bolts of how to achieve playing sound through your headphones and speakers at the same time, it’s worth briefly explaining how sound devices work in Windows 10.Įach sound device is registered in Windows 10 as a distinct target for audio. Our readers are an imaginative bunch, and you probably already have some cool uses in mind for your own needs. You want to play music over a Bluetooth speaker or speakers in another room, but also want to keep using the computer.You want to play something on a TV hooked up to your computer for someone else, but also want to keep using the computer and maybe listen to music on headphones while you work.You’re a DJ and want to monitor the music in your headphones that’s playing over the loudspeakers.