Sine wave (975Hz): Listen & Download Sine wave (975Hz) .mp3 Error! Change your browser, please! ⇓ Download The robot makes sounds ⚠ US police car siren sounds ⚠ Chewbacca’s voice ⚠ Electronic bird singing ⚠ Ax hit the trash ⚠ Cut the air with a whip ⚠ Plastic bag ⚠ Flag flaps in the wind on a ship ⚠ Kick on the door ⚠ Throw an old bike to the ground ⚠ Pioneer horn, Military ⚠ Jurassic, sounds of the, dinosaurs ⚠ ★★★★★