Browser based Dolby Surround test?

[LaurasOtherHalf]

I’m on site tomorrow would like to test some speakers (a 5.1 set up) before I plaster in the cable runs. I have the speakers and an amp but no surround source.

Can I hook up a MacBook via hdmi to the amp and run a demo? YouTube only supplies 2 channel stereo I thought-any other free tests that aren’t just a bleep test?

[LaurasOtherHalf]

Yes, the amp will have a basic bleep test to make sure everything is working ok after a mic test but I was more thinking of giving the customers a brief "sound demo" before the rest of the install happens next week. Usual stuff music, maybe an explosive scene etc.

I have a blu-ray demo disc but there won't be a blu ray player on site.