The term HEADPHONES DESCRIPTOR can be summarized as a job description for someone who is responsible for describing the features of headphones. The crossword solution for this term is STEREO, which refers to the type of sound quality that headphones can provide. STEREO sound is a type of audio technology that uses two or more independent audio channels in order to create a fuller and more immersive sound experience. Headphones with STEREO sound are able to produce a wider range of frequencies and provide a more realistic soundscape.