Sony has updated its high-end Walkman digital music player lineup, introducing new models in the Signature Series: NW-WM1ZM3, NW-WM1AM3, and the more affordable NW-ZX900. The new products feature upgrades in audio circuitry, body materials, digital signal processing, and user experience, targeting music enthusiasts and audiophiles with high demands for portable sound quality. Among them, the flagship model NW-WM1ZM3 boasts a gold-plated oxygen-free copper body and carries a suggested retail price of up to $5,899 in the U.S., setting a new record for portable digital music player pricing.
