WM-EX422

The WM-EX422 is a compact entry-level model in Sony's EX-series cassette Walkman launched in 2003. Designed for straightforward tape playback, it includes Mega Bass enhancement and AVLS volume limiting while relying on a single AA battery for around thirty-five hours of use. The unit features a compact plastic body with logical controls and a visible tape window but omitted auto-reverse and noise reduction to maintain simplicity.

Sony continued refining the EX range in 2003 as a way to keep basic cassette options affordable even as digital alternatives proliferated. This particular player filled the role of an unassuming daily companion for listeners who wanted reliable sound without extra mechanisms or cost, occupying space in the lineup between the most stripped-down units and those with reverse capability for users whose needs remained modest.