SOtM sMS-2000 Network Streamer and Music Server

Where Digital Engineering Meets Musical Passion

The SOtM sMS-2000 Network Streamer & Music Server represents one of the most ambitious digital audio products developed by the Korean high-end audio specialist SOtM.

The result of more than a decade of research, listening and hardware development, sMS-2000 brings the company’s specialised music-server technology into a single reference-level component.

Combining a powerful computing platform, dedicated audiophile USB output, specialist Ethernet interface, precision clock architecture and a high-performance ATX power supply, sMS-2000 has been engineered specifically for demanding digital music systems.

Rather than relying on a conventional consumer computer as the foundation of a reference audio system, SOtM has brought together several of its established audio technologies inside one purpose-built chassis.

The result is a versatile digital source capable of operating as a music server, network audio renderer and premium USB transport to a compatible external DAC.

A Decade of SOtM Engineering in One Component

The sMS-2000 combines several specialised SOtM products that were originally developed as individual building blocks for high-performance computer audio.

At the centre of the system is the sMB-Q370 audio-oriented motherboard platform, supported by an Intel processing architecture, DDR4 memory and dedicated storage.

The hardware integrates an sCLK-EX audio clock module, a tX-USBx10G USB host card, an sNI-1G Ethernet interface and an sPM-ATX100 audio-grade power supply.

These components give the sMS-2000 a distinctive architecture designed for the demands of music processing, network communication and digital audio delivery.

The sMB-Q370 Motherboard

SOtM’s sMB-Q370 is the principal computing platform of the sMS-2000.

The manufacturer lists processor configurations based on Intel Core i7-9700, i7-9700K and i9-9900K processors.

Its processing resources can support sophisticated music-library management and compatible audio-server applications.

Dedicated Passive CPU Cooling

The motherboard platform uses an extra-large passive processor heatsink with a flat heat pipe.

This mechanical arrangement is consistent with the manufacturer’s emphasis on specialised computer-audio engineering.

tX-USBx10G: High-End USB Audio Output

One of the most important components within the sMS-2000 is the dedicated SOtM tX-USBx10G USB host card.

Designed specifically for demanding computer-audio applications, the card provides a specialised USB interface for compatible external DACs.

SOtM specifies USB 3.1 Gen 2 connectivity supporting maximum interface transfer rates of 10 Gbps, together with USB Audio Class 2.0 support.

The card incorporates an external power input and USB power switching options.

In practical terms, this allows the sMS-2000 to serve as a dedicated USB digital transport in a high-end audio system.

The USB interface speed does not itself describe audio sampling-rate capability. Actual playback formats depend on the DAC, operating system, driver and playback software.

sNI-1G: Specialised Ethernet Interface

The integrated sNI-1G Ethernet card provides a dedicated audio-oriented network interface.

It includes provisions for an external power input and compatibility with an external 10 MHz master-clock synchronisation system.

The network interface plays an essential role in receiving music data from network storage, streaming services and other compatible audio devices.

For sophisticated installations, the sMS-2000 may be integrated with compatible SOtM network switches and external power supplies.

sCLK-EX Precision Clock Architecture

Digital audio equipment relies on carefully controlled timing systems to manage digital interfaces.

The sMS-2000 incorporates SOtM’s sCLK-EX clock technology, developed for specialist high-end audio applications.

The clock module includes low-noise regulation and active noise-cancellation circuitry as specified by the manufacturer.

A compatible 10 MHz external master-clock input can provide additional system integration options.

Supported 50-ohm or 75-ohm BNC configurations should be selected according to the actual clock interface specification.

External clock compatibility and any audible benefit depend on the complete system and implementation.

sPM-ATX100 High-End Audio Power Supply

SOtM integrates the sPM-ATX100 power supply to meet the electrical requirements of the system’s ATX computing architecture.

The manufacturer’s design specification identifies a synchronous buck topology, additional output ripple filtering and multiple protection features.

These include overvoltage, undervoltage, overtemperature and short-circuit protection.

The design reflects SOtM’s belief that power distribution and electrical noise management deserve particular attention in a reference digital source.

Eunhasu OS: A Dedicated Music Operating System

The SOtM Eunhasu OS is a Linux-based operating environment developed for the company’s digital audio products.

Designed to support high-end music playback, Eunhasu allows compatible services to be managed and configured for different listening requirements.

The manufacturer’s specification includes:

• Roon Server
• DLNA audio renderer and OpenHome support
• Music Player Daemon (MPD)
• Logitech Media Server (LMS)
• Squeezelite
• Shairport-sync
• LibreSpot
• MinimServer
• BubbleUPnP Server
• HQPlayer Network Audio Adapter (NAA)
• Diretta
• Automatic CD ripping with a compatible external optical drive

Certain functions require separate licences, subscriptions, compatible hardware or specific software versions.

SOtM has also listed HQPlayer Embedded as a planned addition. Availability should be confirmed in the currently installed Eunhasu release rather than assumed.

Roon Server and Endpoint Flexibility

The sMS-2000 can operate as a dedicated Roon Server with the appropriate Roon software and licence.

Its processing platform and storage provisions make it particularly interesting for serious Roon users managing extensive music libraries.

A compatible external DAC or network audio endpoint is required according to the chosen playback configuration.

MPD, DLNA and OpenHome

The Eunhasu environment supports alternative playback approaches for listeners who prefer local music libraries, network audio renderers or compatible remote-control applications.

HQPlayer NAA and Diretta

Advanced computer-audio enthusiasts can explore supported HQPlayer NAA and Diretta configurations.

Compatibility depends on the required host software, drivers, devices and the selected Eunhasu version.

Advanced Music Library Storage

The sMS-2000 is designed to handle substantial local music collections.

SOtM lists an extensive combination of M.2 and SATA storage expansion possibilities.

According to the manufacturer’s published configurations:

• Intel Core i7-9700: standard 500 GB M.2 SSD configuration
• Intel Core i7-9700K: 1 TB M.2 SSD configuration
• Intel Core i9-9900K: 4 TB M.2 SSD configuration
• Provision for one additional M.2 SSD
• Support for up to six additional SATA SSD drives, subject to configuration

The manufacturer describes support for combined storage capacities of 48 TB and above.

Actual installed storage capacity, drive compatibility and the cost of additional SSDs must be confirmed when ordering.

Music Server or Network Streamer: One Versatile Platform

The sMS-2000 can perform multiple roles in a digital audio system.

Dedicated Music Server

It can manage supported playback software, local libraries and compatible music-server processes.

Network Audio Renderer

With suitable software it can operate as a network playback device, receiving music data and sending it to a compatible digital output.

USB Digital Transport

The dedicated tX-USBx10G interface makes the sMS-2000 a particularly relevant source for high-end DACs using USB audio inputs.

The Listening Experience

The sMS-2000 has attracted international attention for the sound quality reported by reviewers using it in carefully assembled digital audio systems.

Published evaluations have described enhanced musical flow, harmonic richness, spatial presentation and naturalness.

These are subjective listening observations rather than guaranteed improvements in every audio system.

Natural Harmonic Texture

Reviewers have highlighted convincing tonal density and natural instrumental textures, especially when the sMS-2000 is used as part of a complete high-end digital playback chain.

Spatial Definition and Musical Focus

Reports have described a coherent soundstage with well-defined instrumental positions and a strong sense of musical continuity.

Low-Level Musical Information

The sophisticated hardware architecture is designed to support stable operation and careful electrical noise management, while published listening evaluations have discussed subtle musical details and recorded ambience.

International Awards & Recognition

A recognised achievement in reference digital audio.

Independent International Reviews

SOtM sMS-2000 vs sMS-200ultra

The sMS-200ultra is a compact network audio player intended primarily for dedicated streaming endpoint applications.

The sMS-2000 is a substantially more elaborate computing and music-server platform, integrating a high-performance processor, sophisticated storage capabilities, a specialised USB output card and dedicated Ethernet and power supply architecture.

For users seeking a self-contained high-end music server capable of running supported server software, the sMS-2000 offers a different level of flexibility.

SOtM sMS-2000 vs a Conventional Computer

A conventional computer can already provide competent digital audio playback when configured appropriately.

The difference with the sMS-2000 is its dedicated combination of SOtM audio hardware, specialist USB and network interfaces, clocking, power supply and purpose-built music software.

It is therefore designed as an integrated high-end audio source rather than a general-purpose personal computer.

Matching the sMS-2000 with a Reference DAC

The sMS-2000 is an excellent system-building candidate for listeners using a compatible external USB DAC.

Its digital transport role allows the DAC to remain responsible for the digital-to-analogue conversion.

The combination can be particularly appealing with high-end DACs such as HoloAudio MAY, HoloAudio Spring 3 and other reference models supporting USB Audio Class 2.0.

Actual supported resolutions, formats and software settings depend on the DAC and the operating environment.

SOtM sMS-2000 Technical Specifications

Frequently Asked Questions

What is the SOtM sMS-2000?

It is a high-end network streamer, music server and USB digital audio transport using dedicated SOtM computer-audio hardware.

Can it operate as a Roon Server?

Yes. SOtM lists Roon Server among the software supported by Eunhasu. A suitable Roon licence is required.

Does sMS-2000 include a DAC?

No conventional analogue DAC output is specified. Connect a compatible external DAC using the appropriate digital audio interface.

Can it stream music from a NAS?

Yes, with suitable network configuration and compatible music-server or renderer software.

Can I store my music library inside the sMS-2000?

Yes. M.2 storage is provided according to the ordered configuration, with additional compatible storage expansion options.

Does it support 48 TB storage?

SOtM describes support for storage capacities of 48 TB and above when suitably configured with compatible drives.

Does the sMS-2000 support HQPlayer?

The manufacturer lists HQPlayer NAA support. HQPlayer Embedded availability should be confirmed for the installed operating system version.

What is Eunhasu OS?

It is SOtM’s Linux-based audio operating environment supporting multiple compatible playback applications.

Can it be used with Windows?

SOtM identifies Windows as an operating system option. Confirm licensing, installation and driver compatibility for the selected model.

What is the tX-USBx10G?

It is SOtM’s dedicated USB host card, designed for demanding computer-audio output applications.

Can I connect an external 10 MHz master clock?

Yes, using a compatible master clock and the correctly specified clock interface.

What is the difference between i7 and i9 configurations?

The processor and original storage configurations differ. Confirm current available options with Chameleon Audio.

Can I use the sMS-2000 with HoloAudio MAY?

Yes. MAY can receive digital audio from a compatible USB source, subject to playback software and interface configuration.

Did the sMS-2000 win international awards?

Yes. sMS-2000-based systems received Japan’s Stereo Sound Grand Prix 2025 and The Absolute Sound Golden Ear Award 2026. Both recognitions involved specified multi-component configurations.

Is the sMS-2000 suitable for large music libraries?

Yes. The dedicated processing platform, music-server software and expandable storage make it suitable for substantial libraries when correctly configured.

Official SOtM Documentation

For current software, hardware specifications, Eunhasu instructions and configuration options, consult the manufacturer’s information:

SOtM sMS-2000 Official Product Page

SOtM Documentation and Eunhasu Support

Availability and International Orders

Contact Chameleon Audio for SOtM sMS-2000 configuration options, current availability, processor and storage choices, external clock integration, international delivery and personalised digital audio system advice.