Introduction to MEMS Speakers

Microelectromechanical systems (MEMS) are a broad range of devices that integrate both electrical and mechanical components. While some branches of MEMS actuators and sensors are well-established and mature technologies, there are also cutting-edge 'next-generation' MEMS under development. This premium article gives an introduction to MEMS speaker drivers, which are seeking to displace conventional coil-driver and balanced-armature-based speakers in a variety of settings, most notably the true wireless stereo (TWS) market. This premium article unpacks some of the key technical considerations for MEMS speaker drivers.