The QS8 probably would have survived the fall from the Epson to the floor unscathed even w/o the pillow. I’ve managed to topple 2 of my QS8s on their stands over. The first while pulling a tape measurer to verify distance set by the receiver and the second time tripping on a speaker wire. In both cases the only damage was slight scuffing on the one of the grills.

I’m curious if you were using bare wire or banana plugs?
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3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1