-aud,-amp

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Across
  1. 2. sound
  2. 3. past tense of amplify
  3. 4. the process of increasing the volume of sound, especially using an amplifier
  4. 7. a person who conducts an audit
  5. 8. an electronic device for increasing the amplitude of electrical signals
  6. 10. relating to the sense of hearing
  7. 11. unable to be heard
  8. 12. spectators or listeners
Down
  1. 1. increase the volume of (sound)
  2. 2. using both sight and sound
  3. 4. theater, concert hall
  4. 5. able to be heard
  5. 6. an official inspection of an organization's accounts
  6. 9. enough or more than enough; plentiful
  7. 10. an interview for a role or job as a singer, actor, dancer, or musician