Innuos Zen MKIII Audio Server 1TB HDD

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The Innuos ZEN MKIII Audio Server offers a step up from the Zen Mini, with new upgrades from the MKII, including dual linear power supply and asymmetrical isolation feet. The Innuos ZEN makes CD ripping into digital audio as musical a process as possible for your greater listening enjoyment.

The Zen MK3 1TB HDD features upgrades from the previous MK2 model, benefitting from trickle-down technology from innovations included on the Zenith MKII SE, and Innuos’ work with Dr. Sean Jacobs. Areas focused on for improvement include minimising power noise, reducing vibration and optimising firmware, resulting in an upgraded power supply, new custom motherboards and a new chassis. The Zen is built for music enthusiasts, to enjoy large music libraries in Hi-Fi quality. The Zen audio server is available with drive sizes of 1TB, 2TB, 4TB and 8TB HDD

The Zen MK3 offers an easy solution to effectively file and hear your CD collection, by ripping the CDs and storing the content as digital audio, available for playback whenever you like. Access all your CDs from your connected smartphone, and edit the data and album artwork. Connect the Zen MK3 to your Hi-Fi system simply, whilst also connecting to any multi-room system to play music throughout your whole house. The Zen brings your CD collection back to life, making it easily accessible from a dedicated digital audio server.

With the MK3 comes some improvements to the engineering, in order to maximise the performance of the Zen. A custom motherboard is optimised for audio performance with improved EMI treatment, and with dual Ethernet ports, the Zen MK3 allows for network pass through to nearby network devices. The Zen MK3 features a dual linear power supply, using ultra-low noise regulators and Nichion capacitors. Asymmetrical isolation feet are used directly derived from the flagship Zenith SE model, for better control of vibrations and noise isolation.

Powered by innuOS, Innuos’ uniquely developed operating system, the Zen MK3 allows you to manage your entire music library from your smartphone or tablet. Edit album data including artwork, and control CD ripping, playing, streaming, and back up the data all from your smart device. innuOS also contains additional intelligent features to organise your music library, such as rule-based music import engine, and Assisted CD Ripping mode, as well as running in Roon Core or Roon Bridge mode.

  • Innuos Zen MK3 Audio Server with 1TB Hard Disk Drive
  • Rip your CD collection into digital format
  • Connect the Zen to your Hi-Fi system, or any Multi-room music system
  • Dual linear power supply with ultra-low noise regulators
  • Custom designed motherboard for improved performance and reduced vibrations
  • Asymmetrical isolation feet for quieter performance and reduction of unwanted resonance
  • Dual Ethernet ports, USB ports
  • innuOS operating system provides music library management from your smartphone or tablet
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Brands Innuos
Product Specifications



Digital Output   

USB 2.0 supporting USB Audio Class 2, DoP, Native DSD and MQA    

Dedicated Ethernet Streamer Port                          




2 x rear panel RJ45 – Bridged Gigabit Ethernet   


1x USB 2.0 (DAC), 1x USB 3.0 (Backup)   



CD Formats        

Red Book            

Disc Compatibility           

CD, CD-R, CD-RW            

Audio format for stored CDs      

FLAC (zero compression), WAV

Audio Formats Supported for

streaming and playing   


MQA on supported DACs            



Sample Rates    

44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4KHz. 192kHz, 352.8KHz, 384KHz , up to DSD128 via DoP, Native DSD on selected DACs         

Bit Depths          

16bit, 24bit, 32bit            



Web Interface  

Web Browsers from iOS, Android (4.0 and up)

or up-to-date Windows and OS X browsers        


App for iPhone/iPad, Android and Windows 10 



CD/DVD drive   

TEAC Slot-loading drive

Hard Drive          

1TB WD Red HDD            


Intel Quad Core N4200 


8GB DDR3 Low-Voltage RAM

(4GB Dedicated for RAM Playback)                         




Integrated UPnP Server               

Streaming Services         

Qobuz, Spotify Connect, Tidal, Internet Radio    

Roon Compatibility         

Roon Core and Roon Bridge       

Average CD Storage Time            

5 minutes           

CD Metadata    

FreeDB, MusicBrainz, Discogs, GD3, Gracenote 

Compatible Music Systems         

Sonos Multi-room Wireless Music System

DLNA/UPnP compatible streamers         

USB DACs complying to USB Audio Class 2

USB DACs supporting DSD over DoP protocol

Selected USB DACs supporting Native DSD          




Internet connection to access album metadata when storing CDs, Internet Radio, Streaming Services and software updates 

Network router with at least one available Ethernet port   



Mains Supply    

230V AC / 115V AC - Internal Dual-Linear Power Supply                 

Power Consumption     

12W when idle, 15W peak           




70 x 420 x 320 mm (H x W x D)                   


9 Kg       

In the box          

Innuos ZEN Mk3 1TB Music Server          

Mains Cable      

2m Ethernet Cable         

Getting Started leaflet


Your Delivery:

Orders received before 3:00 pm* will be despatched the same day and can be delivered for next working day, (except bank holidays).  For you convenience you can choose multiple shipping options on the checkout page. We will also email with your tracking and dispatch information.

30 Day Returns Policy

HiFix is committed to selling quality products which we hope you will love, we do understand, however, that there maybe a time when you need to exchange or return something you have bought. We really do hope you are pleased with your purchase but should you wish to return anything bought from us, we will be happy to refund or exchange a product within 30 days.

*Due to the current times we have amended our shipping cutoff time to 1pm. Please see more on COVID updates here.

Name SKU Qty Lead time
Innuos Zen MKIII Audio Server 1TB HDD Black 45176 2 In Stock for Immediate Dispatch
Innuos Zen MKIII Audio Server 1TB HDD Silver 45185 3 In Stock for Immediate Dispatch

Warranty information for Innuos:


Innuos products are designed and manufactured to the highest quality standards. However, if something does go wrong with the product we are here to help. From your date of purchase your product is warranted against faulty materials or workmanship for a period of 12 months on all products.

This guarantee applies to all Innuos Products including Digital to Analogue Converters ans Audio Servers. Providing you with peace of mind and the assurance of premium Quality.

  • HiFix is a holding of Hi-Fi Excellence Ltd
  • VAT No. 585 1698 93
  • Company No. 02540830
  • Consumer Credit No. 353419