Well, clearly, I didn't spend enough time in my youth spray painting stuff to become a pro.
StreetArtNews | ?Trump Muted? by Pøbel on Hollywood Boulevard
I watched the vid full screen, and he sure as heck did it. Not sure how, but I guess he knows the tricks of the trade!
Pizza box big enough for two cut outs. Speaker icon right justified, 'x' beside it. Spray on speaker design, move to the right (might need to reverse the design since a SJW couldn't 'move to the right') and paint the 'x'. Use quick drying paint