D U O B A S S

LOUDSPEAKER SYSTEMS; LOUDSPEAKERS; WOOFERS; TELEVISIONS; TELEVISION RECEIVERS; LCD TELEVISIONS; AUDIO APPARATUS FOR CARS, NAMELY, CAR STEREOS; SOUND AND IMAGE RECORDING APPARATUS; SOUND AND IMAGE REPRODUCTION APPARATUS; TELECOMMUNICATION MACHINES, APPARATUS AND THEIR STRUCTURAL PARTS, NAMELY, CABINETS FOR LOUDSPEAKERS AND ACOUSTIC DIAPHRAGMS FOR LOUDSPEAKERS; APPARATUS FOR RECORDING TRANSMISSION AND REPRODUCTION OF SOUND AND IMAGES