In 1990, efforts were made to miniaturize the casing and improve product quality. The design features a stable structure based on everyday use.
WM-EX60
The WM-EX60 is a playback-only Walkman with an automatic reversal function. It features Dolby B, remote control operation, and a tape selector, and is compatible with AA batteries and gum-type rechargeable batteries. It is one of the earliest playback-only models that supports tape type switching.
WM-EX70
The WM-EX70 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-FX70
The WM-FX70 is a Walkman with a built-in radio. It features Dolby B, remote control operation, and automatic reversal, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-EX80
The WM-EX80 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-EX85
The WM-EX85 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-FX85
The WM-FX85 is a Walkman with a built-in radio. It features Dolby B, remote control operation, and automatic reversal, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-190
The WM-190 is a playback-only Walkman with an automatic inversion function. It features Dolby B and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-507
The WM-507 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-F507
The WM-F507 is a Walkman with a built-in radio. It features Dolby B, remote control operation, and automatic reversal, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-600
The WM-600 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-805
The WM-805 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
By 1990, the product had been established as a mature portable device. At the same time, competition with new technologies arose.
