Vintage Packard Bell Crystal CS4231-KL 16bit ISA Audio Sound Card Retro DOS

Vintage Packard Bell SRS Crystal CS4231A-KL 16bit ISA Modem Sound Card Combo

Vintage Aztech Labs I38-MMSN842 Sound Card Modem 16 bit ISA (Packard Bell)

ISA Sound Card – Crystal CS4231-KL – Packard Bell / Aztech – Tested Working

PACKARD BELL SRS CRYSTAL CS4231A-KL 16 BIT ISA MODEM SOUND CARD (Works)

AZTECH SRS 3-D Stereo 16 Bit ISA Audio / Sound Card / Modem -- I38-MMSN855

MediaVision Pro Audiospectrum 16 ISA Soundcard

SRS Labs 3D Stereo Sound Card 16-bit ISA I38-MMSN834, AZT2316 Sound Galaxy OPL3