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SA-Z1 Hi-Res Near Field Powered Speaker System Signature Series


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Signature Series

One Signature Sound

Elevating the high-resolution sound experience from one you listen to, to one you can feel.

The pinnacle of near field listening

The SA-Z1 is meticulously crafted to sit on your desk and provide you with a reference listening experience, whatever your choice of music.

Image of SA-Z1 connected to a laptop or PC

Play music from your laptop or PC

Image of SA-Z1 connected to Walkman or Xperia

Hook up your Walkman® or Xperia

Image of SA-Z1 connected to a dedicated digital music player.

Use with a dedicated digital music player

Discover the SA-Z1

Learn about the technology and inspiration behind our most premium near field powered speaker system, the SA-Z1.

Why choose the SA-Z1

Close-up of audio components

Acoustic structure

Close-up of circuit board.


Close-up of sound tuning controls.

Sound tuning function

Image of SA-Z1 connected to a Walkman.


Image of Signature Series range.

Signature Series

Sony expertise in precision-engineered powered speakers

The SA-Z1 brings together Sony's legendary audio expertise, with first-of-its-kind custom componentry and benchmark audio technologies. Thanks to a trio of accumulated acoustic, electronic and signal processing technology, SA-Z1 recreates music with exceptional presence and coherence.

Acoustic structure

With its coaxial layout and time-alignment control, the SA-Z1 achieves both broad frequency response and accurate waveform at the same time.

Precise sound reproduction

  • Coherent impulse response
  • Time coherence
  • Coaxial layout

‘Tsuzumi' woofer layout for a deep acoustic field

  •  ‘Tsuzumi’ layout
  • Bass expansion duct
  • Innovative woofer
  • More linearity and purity

I-ARRAY™ tweeters for wider frequency and off-axis response

  • I-ARRAY™ System
  • New balanced dome tweeter unit
  • Titanium sputtering diaphragm

Rigid body minimizes vibration

  •  Aluminum body
  • FBW chassis
  • Bridge arm structure
  • Composite enclosure structure


The electronic circuitry and signal processing architecture in the SA-Z1 have been developed using the latest expertise from across Sony to reproduce High-Resolution Audio with ultimate fidelity. 

D.A. Hybrid Amplifier Circuit

  • D.A. Hybrid Amplifier
  • Distortion reduction
  • Benefit of Gallium Nitride
  • Error correction
Close-up of circuit board showing FPGA processor.

Custom architecture on FPGA processor

Uncompromised music reproduction

Sony's engineers realized early on that typical, off-the-shelf DSPs could never draw optimal performance from their unique DA Hybrid amplifier and coaxial speaker design. To overcome this, they built an original architecture on an FPGA (Field Programmable Gate Array) from scratch—the most advanced signal processing for the most advanced digital architecture.

L/R synchronization

Left and right speakers in perfect harmony

The OFC cable that transmits the high speed differential signal between speakers is engineered to suppress signal reflection and loss, and shut out interference. This ensures accurate time alignment between the left and right speakers — crucial for reproducing spacious sound.

Rear view of SA-Z1 illustrating left and right speaker synchronization.
Diagram illustrating effect of DSD Remastering Engine.

Convert any source to DSD

DSD Remastering Engine by FPGA

The DSD Remastering Engine lets you convert all PCM music sources into DSD 11.2 MHz. The technology uses the FPGA to convert any signal into the DSD sound format.

Preserving the feeling

New DSEE HX™ analyzes song type by AI

Audio upscaling is improved even further by our new DSEE HX™ processing, which intelligently recognizes instruments, voices and musical genres. By identifying these and the relative energy of the audio, it can accurately rebuild audio lost during digital compression, for a full fidelity experience, even with compressed formats.

DSEE HX™ logo.

Sound tuning function

Take control of your sound. Tune it to your listening environment and your personal preference with lossless adjustment for both active and passive sound characteristics.

Change settings to your preference

  • D.A. Assist
  • Assist Woofer Motion
  • Assist Woofer Frequency
  • Assist TW Time Alignment
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Supported sound formats

Support up to PCM 32 bit/768 kHz and DSD 22.4 MHz.

Detail showing analog-in connections and digital inputs.


Analog-In connections include RCA, stereo mini and balanced XLR. Digital inputs include USB-B, optical and micro-USB for Walkman.

Image of SA-Z1 connected to Walkman.

Pure Walkman® sound

To realize pure sound from a connected Walkman, the charging circuit can be deactivated.

Discover the Signature Series

Settle for nothing less than immersive excellence with the full range of Signature Series products. Designed for ultimate sound quality, they transcend audio conventions to elevate every note.

Specifications and Features
Part of the Signature Series, the SA-Z1 near field powered speaker system has been engineered to deliver a truly exceptional listening experience. By combining a coaxial driver units layout with time-alignment architecture, SA-Z1 overcomes the trade-off between frequency response and phase coherence — so you can explore a whole new world of sound.
  • Precise driver time-alignment with custom FPGA architecture

  • Coaxial layout drivers work as wide-range single driver unit

  • I-ARRAY™ tweeters, for up to 100-kHz frequency response and wide directivity

  • Horizontally opposed woofers and side ducts for wide and deep sound stage

  • D.A. Hybrid Amplifier Circuit with GaN power device

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