An unusual SegaSaturn accessory: The 3RADD – A sound enhancer with SRS psychoacoustic technology. Read a review on this japanese blog. Here is a scan of the manual.
The effect with audio sources is quite nice, it boosts the sound and positions it around your head. The technology is used in all kinds of devices and software, e.g. the Windows Media Player (SRS WOW).
Continue reading 3RADD – The 3-D Sound for Video Games and PCs