Acoustic reproduction transducer enclosure
Audio speaker system
Audio-visual furniture stand
Coaxial speaker system
Device and circuit for the generation of vortex rings
Direction-adjustable speaker system
Electro-mechanical reproduction of sound
Extensible sound case
Helmholtz resonator loudspeaker
High-performance full-range speaker assembly
Highly directional sound projector and receiver apparatus
Loudspeaker enclosure
Loudspeaker system
Omni-directional sub-bass loudspeaker
Parabolic speaker
Sound speaker system
Sounder, speaker and sound head using the sounder
Speaker and method of outputting acoustic sound
Speaker and method of outputting acoustic sound
Speaker apparatus equipped with means for producing...