Type of sound components

Basic knowledge of Piezoelectric Sound Components
Type of sound components

Mechanical type Produces sounds by giving mechanical shock to a sound source. a bicycle bell, a bell , a gong bell
Electronic type Produces sounds by giving electric signal like voltage or current, and vibrating a sound source. classified as below.

  Piezoelectric type Electromagnetic type
Structure Piezoelectric type Electromagnetic type
Power consumption Low (voltage drive) High (current drive)
Number of parts less a lot
downsizing easy easy
weight lightweight heavy
Sound pressure average high
Sound quality average good

Murata Icon X Basic Knowledge