9 ELECTROACOUSTICAL PRODUCTS, NAMELY, LOUD-SPEAKERS, CROSSOVER NETWORKS FOR LOUD-SPEAKERS, LOUD-SPEAKER CHASSIS, BASS REFLEX TUBES, ACOUSTICAL LENSES, SPEAKER PEDESTALS, LEVEL CONTROLS, CAPACITORS, RESISTORS, ELECTRICAL CABLES, GRILL CLOTHS, FOAM FRONT PANELS FOR LOUD-SPEAKERS, SPEAKER GRILLS AND LOUD-SPEAKER CONNECTING CLAMPS