1988 WM-3000 The WM-3000 is a playback-only Walkman equipped with an automatic inversion function. WM Playback-only Auto-reverse Volume Limiter (AVLS) Japan My First Sony First AVLS
1989 WM-701S The WM-701S is a playback-only Walkman equipped with an automatic reversal function. WM Playback-only AA + Gumstick Auto-reverse Dolby B/C Dynamic Bass Boost EX Amorphous Head Japan 10th Anniversary
1989 WM-DD9 The WM-DD9 is a playback-only Walkman that employs a disc drive mechanism. Playback-only AA + Gumstick Dolby B/C Dynamic Bass Boost Extended DBB Disc Drive EX Amorphous Head DD Japan 10th Anniversary Quartz Lock
Discman 1989 D-350 The D-350 is a portable CD player with expanded control capabilities. Battery Pack CD Discman Rechargeable Remote Japan FirstFirst Remote ControlFirst Rechargeable Battery
