Method of producing and making use of ear tips having a...
Microphone assembly
Microphone holding device
Minimal contact replaceable acoustic coupler
Modular furniture structure
Molded article having elastomeric mold member used therewith
Molded foam earplug and method for making same
Mount for a sound transducer, particularly an earphone
Mounting arrangement for altering a microphone's frequency respo
Movable diaphragm connector method flexible hinge diaphragm surr
Moving coil loudspeakers
Moving voice coil loudspeaker, peripheral diaphragm support, dia
Moving voice coil transducer having a flat diaphragm of an impre
Moving voice coil transducer with diaphragm having concentric se
Multi-channel headphones
Multi-color variably attenuating earplug
Multi-cone earplug and method of forming and using
Multi-driver loudspeaker
Multi-driver loudspeaker
Multi-layered, peelable hygienic cover for a stethoscope