Pocket Recorder/Multitrack from Korg
Korg introduced the Sound on Sound (SOS) Unlimited Track Recorder.
![[NAMM] Korg Sound On Sound](https://img.audiofanzine.com/img/product/normal/9/8/98373.jpg?fm=pjpg&w=334&h=243&fit=contain&s=e1054197a49bbc3fdc4b8cd7a63e37f6)