Adjustable headset

Adjustable holder for an acoustic pick-up device

Adjustable loudspeaker

Adjustable mechanism for improving headset comfort

Adjustable microphone apparatus

Adjustable microphone boom with acoustic valve

Adjustable microphone stand

Adjustable mount for a loudspeaker

Adjustable sound capturing device (MICTUBZ)

Adjustable speaker box for the sports bar of a vehicle

Adjustable speaker system with reflector

Adjustable tension support band for headset

Adjusting a loudspeaker to its acoustic environment: the ABC...

Adjusting and display tool and potentiometer

Adjusting audio properties and controls of an audio mixer

Adjusting the level of an audio signal

Adjustment of a hearing aid using a phone

Affixed behind-the-ear child resistant volume control cover

Aid to hearing speech in a noisy environment

Aided ear bud