Ключевые слова: antenna, audience, audio, background, broadcast, business, button, classic, closeup, communication, concert, conference, connected, connector, electronics, equipment, event, frequency, gear, karaoke, lecture, live, meeting, metal, mic, microphone, mike, music, musical, object, portable, presentation, professional, receiver, seminar, shape, signal, silver, sing, sound, speaker, speech, stage, technology, transceiver, transmit, transmitter, two, wireless,