20 - 20,000 Hz Audio Sweep | Range of Human Hearing Sonic Electronix 0:36 8 years ago 5 322 544 Скачать Далее
20Hz to 20kHz Frequency Sweep (Logarithmic) 1080p HD Aaron Shannon 0:41 9 years ago 272 795 Скачать Далее
20kHz to 20Hz Frequency Sweep - Audio Signal Test - Human Audible Spectra GMODISM 2:56 5 years ago 86 676 Скачать Далее
Pure 40 HZ Binaural Beats: The Frequency for FOCUS, MEMORY, and CONCENTRATION Be Inspired | STUDIO 30:07 2 years ago 20 438 619 Скачать Далее
Audible frequency sweep 20hz-20Khz | Sound System and Hearing test | Mind blowing MY SON 10:01 3 years ago 330 Скачать Далее
The Greatest Frequency of 22000 Hz to Clean Any Audio Equipment | @FEEL-THIS. FEEL THIS. 1:31 2 years ago 8 892 549 Скачать Далее
SPEAKERS | Audio | Test 20Hz - 20kHz ( Human Audio Spectum ) Speaker Review official The 1:58 6 years ago 189 Скачать Далее