Recreational cooler and speaker system
Reduction of background noise for speech enhancement
Reflecting sound imaging speaker enclosure
Screen device
Self damping speaker matching device
Self damping speaker matching device and method
Shock absorbing transducer module
Single speaker, double tuned labyrinth type enclosure
Sound bubble structures for sound reproducing arrays
Sound generating outerwear and associated switches
Sound reproducing array processor system
Sound reproduction system
Sound simulation chamber
Sound system
Sound system
Speaker apparatus
Speaker enclosure
Speaker system with image projection screen
Speaker system with reconfigurable, high-frequency dispersion pa
Speaking and hearing system for breathing apparatus