Polarization voltage setting of microphones
Pole-zero analyzer
Polyphonic coding
Poor-scatter pot magnet system for magnetic-dynamic loudspeakers
Pop and click reduction using DAC power up and power down...
Pop sound prevention module and speaker apparatus thereof
Portable audio device with body/motion signal reporting device
Portable audio devices
Portable audio listening apparatus
Portable audio player
Portable audio reproduction system
Portable box for carrying items
Portable communication apparatus
Portable communication device with collapsible speaker...
Portable communication tool
Portable compact disc player
Portable computer expansion base with enhancement speaker
Portable computer speaker assembly
Portable computer speaker enclosure
Portable electronic apparatus