Master System FM Sound Expansion Install There are two models produced:

There are two models produced:

For an additional charge

DISCLAIMER / COMPATIBILITY NOTES: Building a controller with third party parts almost always requires tuning for micro-tolerance issues

Many USA and European games have FM sound

These controllers replicate the major design iterations of the SFC / SNES Controllers

Master System FM Sound Expansion Install There are two models produced:The Japanese version of the Sega Master System offers both PSG sound and FM synthesis sound for several games. Many USA and European games have FM sound, but this functionality was not included in those consoles. Upgrade your SMS by installing a FM Sound Expansion board by Tim Worthington. This board is compatible with the Model 1 and Model 2 versions of the SMS. The FM Sound Expansion board can be purchased here. NOTE This is a modification service