sound amplifier



  • A device which increases the strength of sound waves.
  • An amplifier of signals that operates within the range of frequencies that humans can hear.
  • A high-fidelity amplifier that operates within and beyond the range of frequencies humans can hear. For instance, such an amplifier may have a frequency response of 5 Hz to 100 kHz.
  • A device which intensifies sounds by its shape. A horn is an example.