Acoustic transducer having multiple frequency resonance
Audio speaker apparatus
Electroacoustic device with broad frequency range directional re
Electroacoustical transducing with at least three cascaded subch
Fluid coupled subwoofer acoustic enclosure system with port cham
Loudspeaker arrangement
Loudspeaker enclosure with isolation of loudspeaker vibration
Loudspeaker system
Loudspeaker system
Loudspeaker system incorporating acoustic waveguide filters...
Modular loudspeaker system
Modular speaker cabinet
Multichannel loudspeaker enclosure
Omnidirectional electro-accoustical chamber
Open line source speaker system
Outdoor speaker
Room sound reproducing
Speaker assembly
Speaker cabinet
Speaker cabinet having interactive speakers