Equilateral tetrahedral speaker system

Ergonomic behind-the-head personal audio set and method of...

Ergonomic headset

Ergonomic headset assembly

Evenly elastically deformable damper for speaker

Exciter for directly vibrating board and speaker apparatus...

Exciting device

Extensive mobility helmet headset and helmet which includes...

External ear speaker ear-hook boom microphone

Externally mounted speaker for notebook computer

Externally ported loudspeaker enclosure

Externally providing a device functionality on a hand-held,...

Ferroelectric composite film acoustic transducer

Ferrofluid centered voice coil speaker

Fiber optic earpiece to reduce radiation transmitted to a...

Fiber-honeycomb-fiber sandwich speaker diaphragm and method

Fidelity speaker

Field layer speaker for consumer products

Field serviceable planar loudspeaker

Film-type audio output apparatus