Dual horn folded soundpath loudspeaker

Dual microphone assembly for mask

Dual mode transducer for a portable receiver

Dual voice coil sound reproducing device

Dual-frequency coaxial earphones

Dynamic loudspeaker for producing high audio power

Dynamic microphone

Dynamic microphone

Dynamic microphone

Dynamic pressure sensing structure

Dynamic transducer device

Ear bud speaker earphone with retainer tab

Ear clasp headset

Ear level noise rejection voice pickup method and apparatus

Ear microphone utilizing vocal bone vibration and method of manu

Ear mounting assembly for electronic component

Ear piece transducer

Ear piece transducer

Ear protection device

Ear receiver