Hat with music player
Head mounted surround sound system
Headliner transducer covers
Headphone apparatus
Headphone apparatus
Headphone apparatus
Headphone device
Headphone having an adjustable localization of auditory events
Headphone system
Headphones for 3D sound
Headphones with a multichannel guiding mechanism
Headphones with integrated microphones
Headrest surround channel electroacoustical transducing
Headtracked processing for headtracked playback of audio...
High efficiency converter providing switching amplifier bias
High performance stereo sound enclosure for computer visual...
Highly portable stereo sound system comprising mixing console-am