Musical bench
Noise cancelling microphone and boot mounting arrangement
Nondirectional acoustic generator and speaker system
Optimum driver spacing for a line array with a minimum...
Orientation adjusting apparatus for speakers
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 enclosure system for audio equipment
Portable entertainment system
Portable entertainment system
Portable sound speaker system and driving circuit therefor
Portable sound system, apparatus, and method