Ключевые слова: acoustics, amplification, audio, brown, central, channel, circle, classic, closeup, component, detail, dialog, electric, electrical, element, frequency, front, grill, hiend, hifi, high, home cinema, home theater, listen, loudspeaker, mesh, metal, mono, multimedia, music, noise, object, play, professional, sound, speaker, stereo, surround, system, technology, tweeter, vertical, voice,