Assertion: headphone's sound | /r/CreatedBy | tiny transducers
Facets:
value: during final testing
type: TEMPORAL
Source sentences:
text: In fact, during the 15 years Shure has been actively selling earphones, its engineers have reached the same conclusion again and again: The sound produced by these tiny transducers during final testing is the same sound you'll get in a day, in a year, and in five years... unless something goes wrong.