Device for attenuating sound on the human ear

Device for receiving earphone/microphone wire of holdfree hand s

Direction adjusting arrangement for tweeter

Double hearing protection device

Double-dome speaker

Down-fill speaker for large scale sound reproduction system

Drive unit for electro-acoustic converter with dual magnetic...

Drive unit for electro-acoustic converter with dual magnetic...

Drive unit for electro-acoustic converter with radially...

Dual bi-laminate polymer audio transducer

Dual cone loudspeaker

Dual element headphone

Dual function transducer housing

Dynamic transducer device

Ear bud speaker earphone with retainer tab

Ear clasp headset

Ear mounting assembly for electronic component

Ear piece transducer

Ear piece transducer

Ear protection device