Ключевые слова: amplifier, audio, background, bass, black, boom, closeup, contemporary, dance, decibel, disco, dolby, dots, electronics, entertainment, equipment, frame, grate, grill, horizontal, image, industry, metal, monochrome, multimedia, music, power, protection, recording, resonance, rock, sound, speaker, stereo, studio, sub woofer, supply, technology, texture,