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Yamaha Psr S550 Midi Driver [exclusive] Jun 2026
If you have a vintage Mac, download the (32-bit). It works only on macOS 10.13 and earlier.
Note: Yamaha now distributes a universal driver called for newer keyboards. Do not install that—it is not compatible with the PSR S550. Stick to the legacy “Yamaha USB-MIDI Driver.” yamaha psr s550 midi driver
: You lose the ability to transfer files (Style/Song/Voice) via Musicsoft Downloader. For MIDI sequencing only, this is fine. If you have a vintage Mac, download the (32-bit)
Some advanced users have reflashed the PSR S550’s firmware (not recommended). Safer: Use a (e.g., Kenton MIDI USB Host or DoreMIDI). Connect the keyboard’s MIDI DIN ports (5-pin) to the host box, then USB to your Mac. If you have a vintage Mac