image tag: sound level, image quantity: 4

3111x2074px

technology, instrument, ad, vu, vu meter, db, volume
3504x2336px

technology, instrument, ad, vu, vu meter, db, volume
1941x3000px

speakers, music, box, sound, hifi, equalizer, amplifier
3377x3377px

stairs, level, emergence, staircase, flowers, decoration, deco