Sine wave (975Hz): Listen & Download Sine wave (975Hz) .mp3 Error! Change your browser, please! ⇓ Download Daylight lamp, blink, turn on ⚠ Air dissection ⚠ Throw a match and a glass container ⚠ Fishing reel ⚠ Rustling leaves, Fussing in the thicket ⚠ Noise inside the tractor, in the cab ⚠ Room noise ⚠ Kick the bike pedals ⚠ Surge, Energy surge ⚠ Umbrella opening ⚠ Lab accident ⚠ Noise inside the spaceport ⚠ ★★★★★