WM-B18

The WM-B18 is an ultra-basic playback Walkman built almost entirely around price sensitivity, using a simple two-position tape selector for normal and chrome tapes and omitting Dolby noise reduction, auto-reverse, or any more advanced playback refinements. Its lightweight plastic body, straightforward controls, and minimal transport made it one of the clearest low-end cassette machines in Sony's 1988 range. Nothing about it tried to elevate the experience beyond essential portable playback.

Sony also uses just how broad the Walkman family had become by then. Sony was no longer simply selling refined or aspirational personal stereos, but also very stripped tools for people who simply needed a cassette player. It was a bottom-tier survival machine