Adjustable speaker system with reflector

Adjustable tension support band for headset

Air cooled loudspeaker

Air flow control device for loudspeaker

Air pump speaker

Aircraft headset

All directionally turnable radio microphone

Ambient noise isolation audio headphones having a layered...

Angle adjustment structure for speaker system

Angled microphone assembly

Angled port loudspeaker

Angled speaker assembly

Annular gap magnet system, particularly for low frequency loudsp

Antenna device

Anti-noise-electret pick-up with an electret

Anti-resonant structure for speakers

Anti-theft boat speaker brackets

Apparatus and method for boosting sound in a...

Apparatus and method for creating acoustic energy in a...

Apparatus and method for receiving inputs from a user