* the sound.
  1:24 
 * outer.
  46:21  1Ki 7:9  2Ch 4:9 
 * the voice.
  Ex 19:16,19  20:18,19  De 4:12,13  Job 37:2-5  40:9  Ps 29:3-9 
  Ps 68:33  77:17  Joh 12:28,29  Heb 12:18,19  Re 10:3,4