Enable the Speak selected text when the key is pressed option.Go to System Preferences > Dictation & Speech, and select the Text to Speech tab.If your OS of choice is Mac OS X, and all you need is basic but extremely solid text to speech (TTS) functionality, you don’t even have to bother with a third party software application, as the OS’ native Text to Speech feature has you covered.Įnabling Text to Speech in Mac OS X is simple, and takes no more than a few minutes.