My laptop has a 3.5mm audio output jack and I've attached 2 usb sound cards to it. This would avail 3 playback devices on the computer.

Is there a way (with any OS - windows/ubuntu/mac) that when I play a video, I could get its audio in all 3 outputs simultaneously and most importantly, I could set different equalizer levels for each one of them?


  • you have 6 speakers, 3 pairs, with different EQ requirements? Are you trying to run them all at once? In the same room? Are they all self-amped? [I still don't think you're in for much joy, but just to get my idea of your configuration straight] – Tetsujin Feb 21 '15 at 14:54
  • yup; 3 pairs to be played at once. And you are right, they all have their own amplifiers within them. Just need to trick the aux supply for them. – d-coder Feb 21 '15 at 15:01
  • Not going to be easy in Windows. It's really something that it's not good at. – Tetsujin Feb 21 '15 at 15:29
  • I use ubuntu too; just in case a solution is possible with it. We can remove the win-7 constraint. – d-coder Feb 21 '15 at 15:44
  • Only Mac can do that kind of routing really - & tbh a) I'm struggling to think how to do it reliably even on there & b) I'm really not convinced it's going to sound any good even if you manage it. [I'm a sound engineer by trade] – Tetsujin Feb 21 '15 at 15:55

I can highly recommend Voicemeeter Banana. It's a great piece of software for Windows audio solutions. It is free/donation ware and it is quite powerful in managing audio on Windows. Right now I am looking for a Linux alternative, but I've had no luck at all.

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