WONDER #1576: How Do Hearing Aids Work?

Question 1 of 3

Which of the following parts of a hearing aid increases the power or volume of sounds?

  1. microphone
  2. amplifier
  3. speaker
  4. battery

Question 2 of 3

Most hearing aids sold today in the United States feature what type of technology?

  1. analog
  2. digital
  3. 3D
  4. HD

Question 3 of 3

Which of the following is NOT a type of hearing aid?

  1. BTE
  2. CIC
  3. ITC
  4. EAR

Check your answers online at https://www.wonderopolis.org/wonder/how-do-hearing-aids-work.