In South Korea, people who can’t convince their neighbors to keep the noise down are increasingly turning to expensive but effective sound systems designed specifically to irritate neighbors.
South Korean media first started reporting on these specialized sound systems back in 2016, when they were viewed as an almost funny way that some apartment building neighbors used to settle their disputes regarding noise. However, as time went by, they became incredibly popular as they delivered on the promise of making next-door or above-floor neighbors pay for ignoring requests to keep noise levels down. There are now different types of wall-mounted speakers designed specifically to annoy.
