* [[Willy|Willy adapter]] for Serdaco LPT soundcards ([[PulkoTronics]])
* [[AMSDAP|Amsdap adapter]] for MoonSound and MP3MSX MSX cartridge soundcards ([[Prodatron]] and [[TMTLogic]])
* [[Amstrad SSA-1 Speech Synthesizer]] ([[Amstrad]])
* [[Dk'tronics Speech Synthesizer]] ([[Dk'tronics]])