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SystemSound Extension is a prefpane. With SystemSound you can play sound without opening a application in the Finder. Like with system 7 sounds in Mac OS 9. You can also specify a startup or shutdown sound.

SystemSound plays: AIFF, AIFC, WAVE, MP3, MP2, MIDI, SD2, ULAW, MPEG4, WMA and system 7 sounds. It includes a app that converts system 7 sound to AIFF or WAVE.

What's New

Version 5.0u:
  • Universal Binary.
  • French localization (Claude Le Mestric).
  • Made SystemSound Converter more responsive.
  • Added an option to keep the dialog always in front.
  • Added an option to stop a sound or not when opening a new one.
  • Rewritten/cleaned code.
  • Added wma (needs flip4mac).
  • New method for playing sounds.


Mac OS X 10.3 or later

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SystemSound Extension User Discussion

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Gannet Member IconComment+46

Very nice little extension. The "stop when opening another sound" option doesn't seem to work for me though.

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Version 5.0u
Anonymous Member IconReview

A Extension is a helpfull to use System 7 sounds on OS X.

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Version 3.0
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> 4 1


Current Version (5.x)


Downloads 9,825
Version Downloads 5,441
License Free
Date 10 Jul 2006
Platform OS X / PPC 32 / Intel 32
Price Free