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Sony ZX707 Music Player Review & WM1AM2 Comparison | Moon Audio

NW-ZX707 Walkman® DAP Music Player

MPN: NWZX707/B

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Sony ZX707 Music Player Review & WM1AM2 Comparison | Moon Audio

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A DAP Music Player with a New Look & Sound

Successor to the NW-ZX507, the Sony Walkman NW-ZX707 portable audio player has been thoughtfully upgraded for an even better on-the-go listening experience. Sony has upgraded the ZX700 series with components you’d expect from the highest-grade player. Featuring a larger screen, enhanced battery life, and updated internal components, the ZX707 sports a stylish redesign and a bigger, bolder sound that is sure to please the on-the-go digital audio enthusiast.


Features at a Glance

  • High-end parts you’d expect in a top range sound system
  • Up to 25 hours of 44.1KHz FLAC playback
  • Supported by Android™ and compatible with Wi-Fi® for direct download and streaming
  • Upgraded components for an enhanced sound
  • 64GB integrated memory and a microSD card slot
  • Large 5-inch (diagonal) smooth and responsive touchscreen display
  • DSD audio formats up to 11.2MHz
  • Inclusion of larger audio parts to enhance sound quality
  • Volume UI on the ZX700 series echoes classic analog design
  • aptX™ HD audio compatibility is available.
Person sitting in a chair, viewed from behind, holding a Sony Walkman NW-ZX707 music player and listening through headphones.
Walkman device exploded view to see parts and circuit boards.

Large, solid high-polymer capacitor

Used as battery assist for the amplifier block, the new 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, these capacitors help to improve sound expression and create a smoother sound, with a wider soundstage, more transparency, and tighter bass.


Large Coil for Balanced Output

To supply the optimum balanced output signal from the digital amp, a larger, 8mm coil is used as the L-C filter. By incorporating flat conductive wire, Sony has achieved lower distortion and lower resistance, which creates an improved sound resolution across all frequencies.

OFC Milled Block

To supply the optimum balanced output signal from the digital amp, a larger, 8mm 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.


Film Capacitors

High-quality film capacitors deliver voltage with a linear response across frequencies, resulting in reduced distortion and noise.


OFC Cable

The low-resistance oxygen-free copper (OFC) cable is used for internal headphone connection, offering low distortion and superior channel separation.


Optimized Circuit Board Layout

By dividing the audio block and the power/digital block, the circuit board layout has been optimized to ensure sound quality is unaffected by digital interference.

Closeup of circuit board for Sony Walkman NW-ZX707
Circuit boards for Walkman Music Player highlighted in blue and red.

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, lead-free solder.


Sony ZX707 Design Details

The ZX707 features an aluminum milled chassis that has been updated from silver to black. An eye-catching rippled wave design covers the rear of the unit, which looks stylish and provides better grip.

For headphone jacks, the ZX700 series features a stereo mini jack and a balanced-standard plug, designed for the Ø4.4mm balanced connection cable. This separates left and right sound signals, while minimizing signal transmission loss and resulting sound deterioration. 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.

The volume UI on the ZX700 series echoes classic analog design – a nice detail to further enhance your listening enjoyment. Plus, the ZX700 series also features a throwback cassette tape user interface and screensaver. The cassette player visual that appears on your Walkman display varies depending on the codec of the music you’re listening to.

A Dramatic Evolution in Sound Quality

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.

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/96kHz and beyond), High-Resolution Audio allows you to get closer to the original studio recording.

Supreme quality with 11.2MHz DSD native using balanced headphones and PCM 384kHz/32-bit support.

Enjoy High-Resolution Audio quality without wires thanks to LDAC, Sony's premium wireless codec. With 3x the bitrate of standard Bluetooth® technology, you can enjoy a superior listening experience for all your music.

Using Edge-AI (Artificial Intelligence), DSEE Ultimate™ codec (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 44.1/48kHz) 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.

Sony's 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 analog amplifier to deliver a purer, more analog-like sound. Choose from six phase character settings.


Search for Music Your Way

There are multiple ways for music lovers to search through their collection on the ZX707 digital music player. You can go broad by searching all songs, or filter by artist, release year, playlists, album, genre, composer, hi-res files, recent transfers, folders, or cue sheet.

Sony Walkman NW-ZX707 lifestyle shot. Sitting on a table connected to headphones with cups of coffee and a journal.

ZX507 vs. ZX707: Quick Comparison

ZX707

  • Screen: 5 inches
  • Weight: 227g (8 ounces)
  • Dimensions: 72.5mm x 132.3mm x 16.9mm (2.9 x 5.2 x .67 inches)
  • Playback: Up to 25 hours
  • Upscaling: DSEE Ultimate and Edge-AI
  • Charging time: 3.5 hours
  • USB DAC mode: Yes
  • Android version: 12

ZX507

  • Screen: 3.6 inches
  • Weight: 164g (5.8 ounces)
  • Dimensions: 57.9mm x 122.6mm x 14.8mm (2.27 x 4.8 x .58 inches)
  • Playback: Up to 20 hours
  • Upscaling: DSEE HX
  • Charging time: 6.5 hours
  • USB DAC mode: No
  • Android version: 9.0


Specifications

Software
OPERATING SYSTEM: Android 12
Size & Weight
  • DIMENSIONS (W X H X D): Approx. 72.5 mm x 132.3 mm x 16.9 mm Approx. 2.86 inches x 5.21 inches x 0.67 inches
  • WEIGHT: Approx. 227 g 8.01 Oz
Playback & Display
  • DISPLAY RESOLUTION: Size: 12.7 cm (5.0-inch), Resolution: HD (1280 x 720 Pixels)
  • DISPLAY TYPE: TFT color display with white LED-backlight
  • Touch Panel: Supported
  • MUSIC PLAY MODE: Shuffle Playback, Repeat Off, Repeat 1 Song, Repart All, All Range, Selected Range
  • MUSIC SEARCHING METHODS: All Songs, Artist, Release Year, Playlists, Album, Genre, Composer, Hi-Res, Recent Transfers, Folder, Cue sheet
  • SOUND EFFECTS: Direct Source (Direct), 10 Band equalizer, DC Phase Linearizer, Dynamic Normalizer, Vinyl Processor
  • AUDIO PLAYBACK: MP3 ( .mp3): 32 - 320kbps (supports VBR) / 32, 44.1, 48kHz WMA ( .wma): 32-320kbps(supports variable bit rate(VBR)/44.1kHz(STEREO) 32-48kbps/44.1kHz(MONO) FLAC ( .flac): 16, 24bit / 8-384kHz WAV ( .wav): 16, 24, 32bit (Float/Integer) / 8-384kHz AAC ( .mp4, .m4a, .3gp): 16-320kbps / 8-48kHz HE-AAC ( .mp4, .m4a, .3gp): 32-144kbps / 8-48kHz Apple Lossless ( .mp4, .m4a): 16, 24bit / 8-384kHz AIFF ( .aif, .aiff, .afc, .aifc): 16, 24, 32bit / 8-384kHz DSD ( .dsf, .dff): 1bit / 2.8224, 5.6448, 11.2896 MHz APE ( .ape): 8, 16, 24bit / 8-192kHz (Fast, Normal, High) MQA ( .mqa.flac): Supported
Connectivity
  • TERMINALS: USB: Type-C (USB3.2 Gen1 compliant), Headphone: Stereo mini jack, Balanced standard-jack, External memory: microSD microSDHC microSDXC
  • WIRELESS CAPABILITIES: Communication system: Bluetooth Specification Version 5.0, Supported Bluetooth profiles: A2DP, AVRCP, SPP, OPP, DID, Supported Codecs (Transmission): SBC, LDAC, aptX, aptX HD, AAC
Headphone Out (Stereo mini-jack)
  • FREQUENCY: 20-40,000 Hz
  • MAXIMUM POWER OUTPUT (JEITA 16Ω/MW): 0.4-1.1mW (32Ω)
Headphone Out (Balanced standard-jack)
  • FREQUENCY: 20-40,000 Hz
  • MAXIMUM POWER OUTPUT (JEITA 16Ω/MW): 0.4-1.1mW (32Ω)
USB DAC Mode
USB DAC Mode: Yes
Power
  • Built-in Battery: Rechargeable lithium-ion Battery
  • Charging and Power Supply: USB Power (from a computer via a USB)
  • BATTERY LIFE - Bluetooth (Transmitter mode): MP3 (128kbps) / SBC-Connection pref: Approx. 22 hour, FLAC (96kHz/24bit) / LDAC Connection Preferred(Auto): Approx. 11 hours
  • BATTERY LIFE - Bluetooth (Transmitter mode) Notes: ・A Bluetooth connection will shorten the battery life by up to 50% depending on the following conditions. -Format of the content. -Settings of the connected device.
Power (Continued)
  • BATTERY LIFE - CONTINUOUS PLAYBACK MUSIC: MP3 (128kbps) / Stereo mini-jack: Approx. 25 hour, MP3 (128kbps) / Balanced standard-jack: Approx. 24 hour, AAC (256kbps) / Stereo mini-jack: Approx. 25 hour, AAC (256kbps) / Balanced standard-jack: Approx. 24 hour, WAV (44.1kHz/16bit) / Stereo mini-jack: Approx. 25 hour, WAV (44.1kHz/16bit) / Balanced standard-jack: Approx. 24 hour, FLAC (44.1kHz/16bit) / Stereo mini-jack: Approx. 25 hour, FLAC (44.1kHz/16bit) / Balanced standard-jack : Approx. 24 hour, FLAC (96kHz/24bit) / Stereo mini-jack: Approx. 23 hour, FLAC (96kHz/24bit) / Balanced standard-jack: Approx. 23 hour, FLAC (192kHz/24bit) / Stereo mini-jack : Approx. 21 hour, FLAC (192kHz/24bit) / Balanced standard-jack: Approx. 21 hour, DSD (2.8224MHz/1bit) / Stereo mini-jack: Approx. 21 hour, DSD (2.8224MHz/1bit) / Balanced standard-jack: Approx. 21 hour, DSD (5.6448MHz/1bit) / Stereo mini-jack: Approx. 18 hours, DSD (5.6448MHz/1bit) / Balanced standard-jack: Approx. 18 hours, DSD (11.2896MHz/1bit) / Stereo mini-jack: Approx. 13 hours, DSD (11.2896MHz/1bit) / Balanced standard-jack: Approx. 11 hours
  • BATTERY LIFE - CONTINUOUS PLAYBACK MUSIC NOTES: ・The values shown in this topic indicate the approximate battery life when the player is playing continuously with the default settings. ・Even if the player is turned off for an extended period, a small amount of battery power is still consumed. ・Battery life may vary depending on volume setting, conditions of use and ambient temperature. ・The battery is consumed considerably when the screen is on. ・The battery life may become about 50% shorter when some of the sound adjustments are active. ・The battery life may become about 40% shorter when the [High-Res streaming] function is active.

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