Round plug connectors; Electric connections and connectors; Threaded cable connectors of metal; Cable connectors; Audio adapter cables; Power supply connectors and adaptors for use with portable electronic devices; Patch panels for housing electrical connectors, electrical switches; Fiber optic connectors; Plug-in connectors; Electrical and electronic connectors; Electric wires and cables; Cable junctions for electric cables; Public address (PA) and sound system accessories, namely, microphon...