Y.D.F

Audio amplifiers; Audio-receivers and video-receivers; Cables for optical signal transmission; Digital sound processors; Digital to analogue converters; Matrix switchers for audio and video signals; Personal stereos; Sound recording apparatus; Tube amplifiers; USB cables; USB card readers; USB hubs; Video processors; Wireless receivers and transmitters for portable media players; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Downloadable computer programs for editing images, sound, and video