Anonymous ID: 253aee Nov. 16, 2018, 12:39 a.m. No.3924207   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun

>>3924112

>>3924177

 

"Large headphones are essentially just two loudspeakers mounted on a strap that clamps firmly over your head. Earbuds work the same way but, as you would expect, everything inside them (the magnet, the coil of wire, and the diaphragm cone that makes sound) is shrunk down to a much smaller size. "

 

https://www.explainthatstuff.com/headphones.html

 

Looks like those large headphones have magnets. Gamers and music lovers .