40 Hz Pure Isochronic Tones | Very Low Frequency Deep Pulsing Bass | 9 Hours Black Screen

1 year ago
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Entertainment Health & Fitness isochronic tones isochronic isochronic beats brainwave entrainment 40hz 40 Hz gamma gamma waves deep bass

9 hours of a pure, very low frequency bass-note isochronic tone at 40 Hz. This is towards the bottom of the range of human hearing and may not be audible through the speakers of some devices. CAUTION: this frequency may damage speakers and headphones if played too loud!

#brainwaveentrainment #isochronic #isochronicbeats #isochronictones #40hz #gamma #deepbass #blackscreen

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