Hydraulic door: Listen & Download Hydraulic door .mp3 Error! Change your browser, please! ⇓ Download The big door closes ⚠ Closes, Cabinet door opens ⚠ Take a bunch of keys ⚠ Closes with a creak, The wooden door opens ⚠ Knock on the door, Doorbell ⚠ Knock on the door ⚠ Freezer door close (with echo) ⚠ Hydraulic door ⚠ Key ringing ⚠ Sliding door closes, closes ⚠ Banging on a metal door ⚠ Electronic doorbell ⚠ ★★★★★