4 Khz

'Supercharge' Theta Binaural1:00:04

'Supercharge' Theta Binaural Beat - 4Hz (1h Pure)

4000 Hz Test0:01:00

4000 Hz Test Tone

4000 Hz clean0:10:05

4000 Hz clean pure sine wave TEST TONE 4 khz frequency

Astral | Deep1:11:11

Astral | Deep Theta 4Hz | Binaural Beats Soundscape | Internal Focus, Meditation, Prayer | ASMR

4000 Hz 40:00:31

4000 Hz 4 kHz Sine Wave Sound Frequency Tone

4KHz Sine Wave1:00:00

4KHz Sine Wave Test Tone (1 Hour)

SUPER SLEEP ✧8:00:02

SUPER SLEEP ✧ 4Hz Delta Brainwaves Δ Healing DEEP Sleep Music + Binaural Beats

Rei 👑 das0:01:01

Rei 👑 das Varas Ionicas teste 3574

4-7hz PURE Theta0:58:26

4-7hz PURE Theta Waves | CIA Hemi Sync | WONDERFUL Brain Stimulation! | Binaural Beats

Sine Wave 40001:00:01

Sine Wave 4000 Hz / 4 kHz for 1 hour - Test Tone

Noise Induced Hearing0:04:11

Noise Induced Hearing Loss.Why there is a notch at 4 KHz air conduction threshold?

4000 Hz Sound0:05:01

4000 Hz Sound Audio Test Tone | 4000 Hertz Sine Signal | 4 kHz

4 kHz -0:00:38

4 kHz - nearing 29 kHz sweep.........

White Noise 40:01:31

White Noise 4 khz

Good square wave0:01:27

Good square wave oscillator 4 KHz-137 KHz (success lays in the power supply)

Sinus 1 kHz,0:00:16

Sinus 1 kHz, 4 kHz, 150 Hz [Home recording dla początkujących]

HEARING TEST: Can0:00:32

HEARING TEST: Can you hear to the end? #hearing #test #frequency

4 Khz0:00:46

4 Khz

4 KHz Tone0:05:01

4 KHz Tone 5 minutes

4kHz Tinnitus Ringing10:00:01

4kHz Tinnitus Ringing Sound - 4000Hz Pure Tone, Sine Wave

4 kHz Tinnitus0:30:01

4 kHz Tinnitus Relief Sound Therapy Treatment

Brown Noise 40:01:31

Brown Noise 4 khz

White Noise -0:03:01

White Noise - 4 kHz

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