Known sound cards that would match:
AVM AltaPro/S1
AVM AltaPro/S1A
Genoa AudioBahn 16 Pro
Diamond Sonic Sound with memory upgrade kit
Known cards that would match or not match depending on what is seen on PCB:
Alpha Systems Cyberaudio
Alpha Systems VR
Kingston Omnivox
Cardinal Sound Pilot...
I want that sound card. It has also been sold (circa 1993) under different names:
ASC Media Master
BSR Media Master
V&V Media Master
It may or may not be equipped with daughterboard with YM-3812 chip for Adlib compatibility and/or additional RAM daughterboard.