Ключевые слова: amp, amplifier, amplify, audio, background, band, bass, blue, blues, button, close, closeup, control, detail, electric, electronic, entertainment, equalizer, equipment, gain, guitar, instrument, knob, level, loud, maximum, metal, music, musical, object, off, panel, photography, plug, power, professional, recording, rehearsal, retro, rock, sound, speaker, stereo, studio, switch, tone, up, volume,