Clampless headset mounting assembly
Clear sound side fill center fill
Clip-type microphone
Closed headphones with transducer system
Coaxial dual-parabolic sound lens speaker system
Coaxial loud speaker system
Coaxial loudspeaker system
Coaxial loudspeaker system
Coaxial mid-frequency and high-frequency loudspeaker
Coaxial speaker unit
Coaxial speaker with step-down ledge to eliminate sound wave...
Coil for an electroacoustic transducer
Coincident source stereo speaker
Collapsible hearing device
Collapsible image derived differential microphone
Collapsing paraboloid dish and method
Collar microphone
Comb sense microphone
Comb sense microphone
Combination inertia type audio transducer and loudspeaker