Acoustical receiver housing for hearing aids

Acoustical receiver housing for hearing aids

Acoustical ribbon transducer loudspeaker system

Acoustical stethoscope with electrical filter

Acoustical switch for a directional microphone

Acoustical transducer for recreating a spatial sound stage...

Acoustical transducer mounting arrangement

Acoustical transducer with reduced parasitic capacitance

Acoustically asymmetric bandpass loudspeaker with multiple...

Acoustically enhanced electro-dynamic loudspeakers

Acoustically transparent earphones

Acoustics conditioner

Acoustics correcting apparatus

Acoustin structure of seat back

Acoustoeletric transformation chip for ribbon microphone

Activatable audio advertising display standard

Active acoustic attenuation and spectral shaping system

Active acoustic attenuation system for higher order mode non-uni

Active acoustic attenuation system for reducing tonal noise in r

Active acoustic attenuation system that decouples wave modes pro