Cable take-up for earphones

Cap with audio system

Cerumen protection system for hearing aids

Chin loop headset

Circumaural ear cup audio seal for use in connection with a head

Clampless headset mounting assembly

Closed headphones with transducer system

Coaxial loudspeaker system

Coaxial speaker with step-down ledge to eliminate sound wave...

Coincident source stereo speaker

Collapsible hearing device

Combination multiple supported variable position audio intake co

Combination multiple supported variable position audio intake co

Combination of a speaker case and a connector for connecting...

Combined headphone set and portable speaker assembly

Comfortable earphone cushions

Communication device with receiver enclosure

Communication headset

Communication headset

Communication headset with auxiliary positioning device