Ключевые слова: amplifier, amplifiers, appliance, audio, bass, black, cartoon, concert, control, design, disco, electrical, electronic, electronics, engineering, entertainment, equipment, graphic, household, icon, illustration, isolated, life, listen, loud, loudspeaker, modern, multimedia, music, musical, object, play, radio, retro, sign, sound, speaker, speakers, stereo, studio, symbol, system, technology, voice, volume, wave,