Passenger seat with built-in speakers and audio system therefor
Pendent audio player
Personal audio visual system
Personal audio visual system
Platform for attachment to a sound system
Portable audio reproduction system
Portable computer expansion base with enhancement speaker
Portable computer speaker assembly
Portable electronic device and personal hands-free accessory...
Portable electronic device having an external speaker chamber
Portable entertainment system
Portable entertainment system
Portable sound system, apparatus, and method
Portable speakers
Prismatic loudspeaker/microphone array