Head tracking with limited angle output

Headphone apparatus

Headphone capable of directly converting digital audio signal in

Headphone driver and methods for use therewith

Headphone driving circuit

Headphone jack extended outlet

Headphone stereo control circuit

Headphone with sound pressure sensing means

Headphoning

Headset

Headset detector in a device generating audio signals

Headset interface assembly

Headset power management

Headset with flashing light emitting diodes

Headset with flashing light emitting diodes

Headset with foldable noise canceling and omnidirectional...

Headset with memory

Headset/radio auto sensing jack