King James Bible
And he said unto them, He that hath ears to hear, let him hear.

New King James Version
And He said to them, “He who has ears to hear, let him hear!”

American Standard Version
And he said, Who hath ears to hear, let him hear.

Berean Study Bible
Then Jesus said, “He who has ears to hear, let him hear.”

Douay-Rheims Bible
And he said: He that hath ears to hear, let him hear.

English Revised Version
And he said, Who hath ears to hear, let him hear.

World English Bible
He said, "Whoever has ears to hear, let him hear."

Young's Literal Translation
And he said to them, 'He who is having ears to hear -- let him hear.'

Mark 4:9 Additional Translations ...