Pro AudioSpectrum 16
From the box, dated 1992:
"The Pro AudioSpectrum 16 Mac is the state-of-the-art in audio enhancement for your Apple Macintosh computer. Available in LC and NuBus configurations, this audio adapter delivers 16-bit stereo digital audio recording and playback to 44.1 KHz, built-in MIDI in and out ports, and a 4-channel software controllable input mixer. These features coupled with it's CD quality sound - and bundled software makes the Pro AudioSpectrum 16 the most comprehensive, state-of-the-art sound solution available today. Hear your Mac like never before!"