The JBL Boombox was on Low Frequency Mode with 100% Volume for Ultimate Bass!!!

Camera: iPhone 6s
Speaker(s): JBL Boombox
Video: JBL Boombox ULTRA BASS TEST!!! LOW FREQUENCY MODE | 100% Volume!!! (Perfect Focus)

JBL Pic on Instagram:
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Music: Ed Sheeran - Shape Of You (Take/Five edit.) BASS Boosted
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