[[The Hat Guy and another guy are standing in a room with one window. Hat Guy is pushing a box with an elliptical dish on top towards the window.]] <> Guy: The bass from that car is driving me nuts. Hat Guy: Me too. Give me a hand here. [[The dish is aimed out the window; the Hat Guy plugs the device into the wall.]] Guy: I'm afraid to ask. Hat Guy: The system detects bass rhythms and floods the target with a phase-shifted replica signal. Hat Guy: The resonance should blow out their speakers. [[The side of a building. The dish of the device is visible through a window, emitting sound waves.]] <> <> [[Back in the room]] Hat Guy: Speakers down. Now flip that red switch. [[The guy does so with a "click"]] [[Back to the outside view, more sound waves]] <> Guy: You're horrifying. Hat Guy: Okay, now throw the switch labeled "Macarena". {{title text: And sometimes I use it to retaliate against the guy upstairs with the loud girlfriend and the elliptical dish.}}