Ключевые слова: amp, amplify, audio, background, bass, beat, black, box, broadband, broadcasting, close, closeup, diffuser, digital, disco, equipment, frequency, group, light, listen, listening, loud, loudspeaker, membrane, multimedia, music, neon, noise, pulsating, radio, recording, sound, speaker, stereo, studio, sub, subwoofer, system, technology, tweeter, up, vibration, volume, wave, wood, woofer,