Probably not the most secure thing in the world, I am not a knot master, but the rope is really thick and the speakers are very light. The placement they are in now really fills the room much better than before, they were lower on a short little table.
Removed by mod
the tautline hitch is super tight actually, and the speakers are small, dont vibrate much. was blasting techno for like 3 hours and there was no movement.