How Do I Play Music Through Multiple Speakers In Windows 10?
Just see to it the speakers are all hooked up to your Windows 10 PC.
Open theSoundsmenu by right-clicking (or press and hold) the speaker icon in the system tray and selectingSounds.

Select theRecordingtab at the top of the window.
SelectStereo Mixand right click (or tap and hold) on it and selectEnable.
Then, if necessary, select theStereo Mixthen selectSet Default.

Right click (or tap and hold) onStereo Mixand selectProperties.
Select theListentab, then tick the box next toListen to this unit.
SelectApply, thenrestart your PC.

When it boots back up, sound should play out of both devices at once.
How Do I Use Multiple Speakers In Windows 10?
