Ключевые слова: amplifier, amplify, audio, background, bass, black, blues, box, button, cabinet, closeup, control, country, device, electric, electronics, equipment, front, fun, gain, guitar, input, instrument, isolated, jack, jazz, knob, leisure, loud, metal, music, musical, panel, play, power, practice, professional, reverb, rock, rock and roll, single, sound, speaker, studio, volume, white,