Mobile terminal with electromagnetic actuator

Modular bass arraying

Modular horn loudspeaker

Modular microphone assembly

Modular tweeter

Modularly expandable electrostatic speaker system

Modularly expandible, multi-user audio headphone

Molded housing with integral acoustic chamber and anti-rattle pr

Monopole low frequency test woofer

Mount for supporting a microphone on a helmet

Mount for underwater acoustic projector

Mountable audio system for electronic devices

Mounting apparatus for speaker

Mounting bracket system

Mounting structure for electromagnetic sound generator

Mounting structure of speaker box

Movable boom mounting device

Moveable device component with acoustic porting

Moving ribbon microphone

Moving-coil electrodynamic motor for a loudspeaker,...