Sony / NW-WM1AM3

Sony’s "NW-WM1AM3" is a high-sound-quality Walkman featuring a main chassis milled from aluminum and a rear chassis made of oxygen-free copper (OFC). It is equipped with a proprietary "S-Master HX" amplifier and high-capacity solid polymer capacitors.

■ Machined Aluminum Main Chassis and OFC Rear Chassis
・ The design combines a high-rigidity, machined aluminum alloy frame with a newly adopted, gold-plated, press-formed oxygen-free copper (OFC) rear chassis. This foundation for stable, high-quality sound enhances resistance to noise and interference, delivering clear, powerful bass, an expansive soundstage, and detailed mid-to-high frequencies with beautiful, lingering decay.

■ Direct-Coupling Structure for Exceptional Ground Stability
・ A direct-coupling structure is employed, in which the main chassis and rear chassis are secured directly to each other using screws. This ensures a more stable ground connection, enabling smooth, extended high-frequency reproduction.

■ "S-Master HX" for Faithful Sound Reproduction, Featuring Three Types of Predictive Noise Shapers
・ Equipped with the "S-Master HX" digital amplifier—developed specifically for the Walkman—the device supports native DSD format, balanced output, and high-power playback. It features three selectable "predictive noise shapers" that anticipate and control quantization noise, resulting in powerful, dynamic bass that responds rapidly to changes in the audio, alongside a clear, precise response.

■ Two Large-Capacity Solid Polymer Capacitors, Inheriting the Power Design Philosophy of the DMP-Z1
・ The unit incorporates two large-capacity solid polymer capacitors capable of handling sudden fluctuations in power demand. Drawing from the power design philosophy of the DMP-Z1, dedicated capacitors are assigned to both the digital and audio circuits. By absorbing noise from the digital circuitry and minimizing its impact on the audio path, the design achieves powerful, tight bass and vocals with a vivid, lifelike presence.

■ Power Supply Design for Instantaneous Energy Delivery and Hand-Soldered OFC Wiring
・ Carefully selected components, including large-capacity solid polymer capacitors, are utilized to ensure a stable power supply. Furthermore, by paying meticulous attention to every detail—such as using hand-soldered OFC (oxygen-free copper) wiring—the device achieves a robust power supply capable of supporting high-quality audio with ample headroom.

■ Large 5.5-inch high-definition display and long-lasting battery (up to 33 hours)
・ Equipped with a large 5.5-inch high-definition touch display for smooth, intuitive operation. The long-life battery allows for up to 33 hours of continuous playback of 96kHz FLAC high-resolution audio—all while maintaining superior sound quality (based on use with the music player app and a balanced connection).

■ Wi-Fi connectivity and Android app support for seamless streaming
・ Supports Wi-Fi connectivity and Android applications, allowing you to enjoy a wide range of musical content—from your favorite streaming services to music libraries you have downloaded—exactly as you wish.

■ A premium design rooted in tradition, combined with Sony’s proprietary audio processing technologies
・ Features a premium design crafted from carefully selected materials, with every detail refined to perfection. Additionally, Sony’s unique audio processing technologies bring out the full potential of diverse sound sources and musical genres, delivering a rich, versatile, and immersive listening experience.
・ Model Name: WM1AM3 (Walkman)
・ Display: Large 5.5-inch high-definition touch display
・ Digital Amplifier: S-Master HX (supports native DSD, balanced output, and high-output playback)
・ Audio Processing & Noise Control: Predictive noise shaper (with 3 selectable types) and proprietary Sony audio processing technologies
・ Chassis Material & Construction:

Main Chassis: Milled aluminum alloy frame (high rigidity)

Rear Chassis: Press-formed oxygen-free copper (OFC) with a gold-plated finish

Joining Structure: Direct-coupling design (secured directly via screws)
・ Power Supply & Internal Wiring: Two high-capacity solid polymer capacitors (arranged independently for digital and audio circuits; incorporates the power supply design philosophy of the DMP-Z1); hand-soldered OFC wiring
・ Continuous Playback Time: Up to approx. 33 hours (96kHz FLAC high-resolution playback, using the music player app, via balanced connection)
・ Connectivity & OS: Wi-Fi enabled; supports Android applications
・ Design Features: Premium design utilizing carefully selected materials