The 4soniq was created by Manila Gear in May 2016. It gives the Apple Iigs 4 channel stereo sound.
Project Status: Complete. In production. Actively sold by Manila Gear and ReActiveMicro.
Sales: Visit the ReActiveMicro Store.
The 4soniq was created by Jon Christopher Co and John Valdezco of Manila Gear in May of 2016.
Different Versions of the Apple IIGS VGA Adapter
There have been a few versions of the 4soniq.