PiezoelectricSpeakerTechnology1 "Piezo Speaker Technology, an answer to your request..." Excellence in physical acoustics sonitron R are the perfect answer for audio sound, voice messages and complex audio information into portable devices. When there is no place ….”a piezo speaker feels comfortable” . “Perfect fit” and “slim line” are the words you can add to your design. sonitron Piezo Audio Speakers & Amplifiers The Basic Four of Piezoelectric Audio Speakers Piezoelectric speakers have a total different working principle than an electro dynamic speaker. There is no coil, no magnetic field and no large current consumption. “No electro-magnetic field (EMC/EMI)” The heart of each piezoelectric speaker is a ceramic disc that interacts when it feels a certain voltage difference. An increase of the signal amplitude……