Magnet system

Magnetic circuit in a loudspeaker

Magnetic circuit unit for loud-speaker and method of manufacturi

Magnetic fluid loudspeaker assembly with ported enclosure

Magnetic system for dynamic loudspeaker

Magnetic, variable-volume sound producing device

Magnetically suspended acoustical speaker

Magnetless speaker

Method for converting electric signals into acoustic...

Method for making a sound transducer integrated into an...

Method of farbicating an electroacoustic transducer

Microelectromechanical speaker

Micromechanical microphone

Microphone

Midrange loudspeaker driver

Miniature electroacoustic transducer

Minimal inductance electrodynamic transducer

Modularly expandable electrostatic speaker system

Moving-coil loudspeaker unit

Multi-driver loudspeaker assembly