You can purchase your SoundSpinner MP3 via Kagi's secure On-line Order system for US$9.95.
The SoundSpinner software is delivered electronically over the net after your order is handled. (There is no demo-version available for free download).
SoundSpinner MP3 requires a Mac with a 233Mhz G3 processor or higher, Mac OS 8.5 - Mac OS 9.2.2 with QuickTime 4 or higher. SoundSpinner MP3 will only run in the Classic environment in OS X.