Apparatus for wireless transmission of acoustic information; wireless indoor and outdoor speakers; [ amplifiers for wireless communication; ] loudspeakers with built-in amplifiers; [ amplifiers for sound signals; ] audio earphones and connection cables sold as a unit; [ audio headphones and connection cables sold as a unit; ] stands specially adapted for stereos and audio speakers; loudspeakers [ ; optical or electrical signal transmission cables; loudspeaker units incorporating magnet systems comprised of magnets, electromagnetic coils, magnetic plates, and yoke plates that minimize distortion in loudspeakers; downloadable software for sound reproduction ]

'acoust':6 'adapt':47 'amplifi':13,22,23 'apparatus':1 'audio':27,36,51 'built':20 'built-in':19 'cabl':31,40,59 'coil':69 'communic':16 'compris':65 'connect':30,39 'distort':77 'download':80 'earphon':28 'electr':56 'electromagnet':68 'headphon':37 'incorpor':62 'indoor':9 'inform':7 'loudspeak':17,53,60,79 'magnet':63,67,70 'minim':76 'optic':54 'outdoor':11 'plate':71,74 'reproduct':84 'signal':26,57 'softwar':81 'sold':32,41 'sound':25,83 'speaker':12,52 'special':46 'stand':45 'stereo':49 'system':64 'transmiss':4,58 'unit':35,44,61 'wireless':3,8,15 'yoke':73

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