Headset with spectacle temple accommodating openings
Headset with spring loaded microphone
Hearing device and method for supplying audio signals to a...
Hearing device for a protective helmet
Hearing protection and/or loudspeaker element
Helmet headset mounting assembly and method
Helmet headset system and method
Helmet-mounted intercommunications and entertainment system
High compliance headphone driving
High fidelity insert earphones and methods of making same
High fidelity insert earphones and methods of making same
High fidelity noise-excluding earphones with ergonomically...
High fidelity speaker system and assembly
High frequency loudspeaker
High-fidelity earpiece with adjustable frequency response
Holder-ring for earphone plug
Hydrodynamically pressure regulated loudspeaker systems
Improvements in or relating to loudspeakers
In-ear earphone
In-ear headphones