Ключевые слова: amp, amplifier, audio, audio equipment, boost, chanel, channel, closeup, dirty, electrical equipment, electronic, equipment, front, handle, heavy, heavy metal, indie, knob, knobs, macro, metal, music, old, old fashioned, pop, radio, recording studio, retro, retro revival, retro styled, selective focus, sound, stereo, technology, treble, tune, tuner, vintage, volume, volume knob,