Yes, I already tried without the desired results
I suppose you're trying to play your stereo (mp3-)files through all of your 5 speakers? What soundcard do you have? Is it configured properly as 5.1 system in Windows? What resolution and sample rate are you using in XMPlay? Did you untick 'Downmix multi-channel'? What Windows do you have? Do these test files
play on the correct speakers?