Cabinets for loudspeakers; Data processing apparatus; Megaphones; Microphones; Speaker enclosures; Audio amplifiers; Audio speakers; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Loud speakers; Power amplifiers; Signal processors for audio speakers

'amplifi':12,36 'amplitud':25 'apparatus':6 'audio':11,13,28,31,40 'cabinet':1 'characterist':26 'data':4 'electron':15 'enclosur':10 'frequenc':22 'loud':33 'loudspeak':3 'manipul':19 'megaphon':7 'microphon':8 'name':30 'power':35 'process':5 'processor':32,38 'product':16 'signal':29,37 'speaker':9,14,34,41 'time':23

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