System consisting of a microphone and an amplifier

System for cardioid sound field generation from dissimilar...

System for controlling low frequency acoustical directivity patt

System for the projection of cinematographic works and...

Tabbed speaker frame with oversized diaphragm

Tactilely identifiable earphones

Talk/listen headset

Tapered thickness surround for high excursion speaker driver

Telecommunication instrument having slip ring interconnection fo

Telephone loudspeaker enclosure

Telephone mouthpiece for preventing wind noises and method for r

Telescoping loudspeaker has multiple voice coils

Television having a device for preventing vibration of speaker

Television receiver with integrated speakers

Television stereophonic audio system

Terminal for speaker

Thermal chimney equipped audio speaker cabinet

Thermal management system for loudspeaker having internal...

Thermoacoustic device

Thermoacoustic device