Features
Large solid high-polymer capacitor
Adopted as battery assist for the amplifier block, the newly developed large solid high-polymer capacitor offers large capacitance and low resistance. Able to instantaneously supply large amounts of power, it can accurately output signals by preventing sudden falls in voltage. This contributes to clear, powerful and accurate bass sound, as well as clear vocals.
FT CAP3 (High-polymer capacitor)
Custom-made for Sony and tuned by Sony engineers, FT CAP3 is adopted for all bypass capacitors in the audio block power supply. Drawing on know-how cultivated in high-end home audio development, they help to improve sound expression and create a smoother sound, with a wider sound space, more transparency, and tighter bass.
Large coil for balanced output
To supply the optimum balanced output signal from the digital amp, a larger, 8-mm coil is used as the L-C filter. By incorporating flat conductive wire, we’ve achieved lower distortion and lower resistance, which creates an improved sound resolution across all frequencies.
OFC (Oxygen-Free Copper) milled block
An OFC (Oxygen-Free Copper) milled block covers the digital block, helping both to strengthen digital ground and improve noise shielding from digital block elements such as the application processor and memory devices. The result is a clearer sound that appears to rise up from silence.
Faithful sound reproduction
S-Master™ HX digital amp technology, independently developed for Walkman®, is compatible with the Native DSD format and supports balanced and high-power output. It reduces distortion and noise across a wide range of frequencies, for rich and full-bodied sound, further enhanced by new high-quality sound lead-free solder.
Film Capacitors
High quality film capacitors deliver voltage with a linear response across frequencies, resulting in reduced distortion and noise.
High-polymer capacitors
The high polymer capacitors within the NW-ZX700 series are used to strengthen the power supply of the amp block for unbalanced output, enhancing low-range reproduction performance for a more expansive listening experience.
Milled aluminium frame
An aluminium-alloy frame provides a highly rigid case that’s resistive to electrical noise and other interference for stable, high-quality sound.
OFC Cable
The low-resistance Oxygen-Free Copper (OFC) cable is used for internal headphone connection, offering low distortion and superior channel separation.
Crystal oscillators
Two compact low-phase-noise crystal oscillators ensure precision clock stability at sampling rate multiples of 44.1 kHz and 48 kHz. The crystal electrode piece is formed with gold vapour deposition for enhanced electric characteristics and improved instrumental separation. This helps remove a veil and reduce noise to realise clear, open sound reproduction.
Fine Sound Register
The surface mounted Fine Sound Register ensures even, effective distribution of power to the circuit components, for consistent sound quality.
High-quality solder containing gold
The exceptional conductivity of gold ensures absolute minimum signal loss. For clearer sound and vocals, a premium, audio-grade lead-free solder with a small amount of gold connects the circuit of the NW-ZX700 series to the battery.
Reflow solder containing gold
Just like previous acclaimed premium Walkman® models, the ZX700 series uses reflow solder containing gold, and it features extensively across the circuit board surface—so the overall effect is significant, including improved sound localisation and a wider sound space.
Low dielectric circuit board and filled via
The printed circuit board uses low dielectric material to realise accurate signal transmission, while the via holes are filled with copper to further reduce impedance. The result is a wide sound space with clear, bright sound. [A] Normal via [B] Filled via
Optimised Circuit board Layout
By dividing the Audio block (highlighted in red) and the Power/Digital block (in blue), the circuit board layout has been optimised to ensure sound quality is unaffected by digital interference.
Balanced Connection
The ZX700 series features a balanced single plug, designed for the Ø4.4-mm balanced connection cable. This separates left and right sound signals, while minimising signal transmission loss and resulting sound deterioration.
DSD Remastering Engine
PCM (Pulse Code Modulation) audio is resampled into an 11.2 MHz DSD (Direct Stream Digital) ultra-high-frequency 1-bit audio stream. The single-bit stream delivered to the DAC has a character far closer to that of analogue, giving you even more ways to enjoy your music.
DSEE Ultimate
Using Edge-AI (Artificial Intelligence), DSEE Ultimate™ (Digital Sound Enhancement Engine) upscales compressed digital music files in real time. And the evolving algorithm now delivers even greater benefits for CD-quality (16 bit 44.1/48 kHz) lossless codec audio. Restoring acoustic subtleties and dynamic range, it provides a richer, more complete listening experience.
Vinyl Processor
Give the warmth and character of vinyl back to your digital tracks. Enjoy subtle reproduction of the low-frequency resonance, tone-arm resistance and surface noise to deliver an authentic listening experience.
DC Phase Linearizer
Our DC Phase Linearizer works to effectively replicate a wide variety of sonic signatures. It applies digital-signal processing to match the phase characteristics of various types of analogue amplifier to deliver a purer, more analogue-like sound. Choose from six phase character settings.
Every note as the artist intended
Take your digital music collection to another level with High-Resolution Audio. By capturing and reproducing digital audio at a higher rate than CD (24-bit/96 kHz and beyond), High-Resolution Audio allows you to get closer to the original studio recording.
11.2 MHz DSD Native/PCM 384 kHz
Supreme quality with 11.2 MHz DSD native using balanced headphones and PCM 384 kHz/32-bit support.
Hi-Res Audio wireless
Enjoy High-Resolution Audio quality without wires thanks to LDAC, our premium wireless codec. With 3x the bitrate of standard Bluetooth® technology, you can enjoy a superior listening experience for all your music.
So immersive.So real.
Immerse yourself in sound all around you. As real as if you were there at a live concert or with the artist recording in a studio. With 360 Reality Audio, music has never been so immersive and so real. The NW-ZX700 series lets you enjoy 360 Reality Audio.
MQA™
The Walkman® includes MQA technology, which enables you to play back MQA audio files.
Bluetooth® and aptX™ HD
Connect wirelessly with Bluetooth® and you’re ready to go.aptX™ HD audio compatibility is available.
Longer battery life
With a longer battery life compared to previous model, you can immerse yourself in more of your music, with up to 25 Hours of 44.1 kHz FLAC playback, up to 23 Hours of 96 kHz FLAC High-Resolution Audio playback, or up to 22 hours with music apps.
5.0 display and Walkman® Home Screen
Enjoy the large 12.7 cm (5.0) smooth and responsive touchscreen display that gives you more visibility and easier operability. The included Walkman® Home Screen can also be customised to suit your needs.
USB Type-C® port
A USB Type-C® port, compatible with USB 3.2 Gen1, offers fast music file transfer and charging, plus easy connectivity with a range of devices.
Expandable storage
With 64 GB integrated memory and an SD card slot, the NW-ZX700 series lets you take even the biggest music collections on the go.
Premium design
The milled aluminium frame and clear 12.7 cm screen give the NW-ZX700 series an elegant feel, while remaining small enough to be completely portable.
Distinctive rear section
The inclusion of larger audio parts to enhance sound quality is evident in the distinctive rear section.
Analogue style
The volume UI on the ZX700 series echoes classic analogue design—a nice little detail to further enhance your listening enjoyment.
Cassette tape UI
The ZX700 series features a special cassette tape user interface and screensaver. The cassette tape visual that appears on your Walkman® display varies depending on the codec of the music you’re listening to.
Wi-Fi® compatible for direct download and streaming
Supported by Android™ and compatible with Wi-Fi®, the NW-ZX700 series offers you even more ways to listen to your music. Enjoy your favourite streaming and music apps right on your Walkman® or connect to a PC to access your music collection.
Updated DSEE Ultimate for enhancing streaming music quality
With further progress from its predecessor model, NW-ZX500 series, you can enjoy DSEE Ultimate for upscaling your music, whether it is Wi-Fi® streamed or downloaded. Now you can also enjoy DSEE Ultimate with wireless headphones.
Aiming to achieve a zero environmental footprint
Inspired by the beauty of the world, Sony is doing its part to help preserve the Earth while still allowing creators to produce even more beautiful and creative imagery. With the goal of achieving zero environmental footprint across the entire Sony Group by the year 2050, we are accelerating numerous initiatives for the environment.
Sustainability in mind
Our products are not only designed to be stylish but also with the environment in mind. No plastic is used in the packaging material for the ZX700 series, reflecting Sony’s commitment to reducing the environmental impact of our products and practices.
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