MIKE

Device for converting sound waves to an electronic signal (abbr) (4)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,309 — 2022-08-14 23:00:22
  17D: Device used in recording (informal) (4)
• Quick crossword No 15,313 — 2019-06-05 23:00:39
  9A: Device for converting sound waves to an electronic signal (abbr) (4)