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