LUMIN U2x Music Streaming Transport

$17,000.00

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Colour: Silver

Silver

Black

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Equaling X1 in both status and build-quality, LUMIN U2X is a completely new flagship streaming transport designed to be the ultimate in digital output.

The Lumin U2x Music Streaming Transport is designed for audiophiles who already own a high-end DAC and want the cleanest, most precise digital signal possible feeding it. Rather than combining streaming and digital conversion into a single chassis, the U2x focuses entirely on one job—delivering an ultra-low-noise, exceptionally stable digital source capable of unlocking the full performance of a reference-grade DAC.

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Specifications

DSD Support:
Up to DSD512 22.5MHz, 1-bit

PCM Support:
Up to 768kHz, 16–32-bit, Stereo

Upsampling rates & bit depths:
DSD256 upsampling option for all files
PCM 384kHz upsampling option for all files

Digital Output Stage: Isolated USB:
Native DSD512 support: PCM 44.1–768kHz, 16–32-bit, Stereo
Optical, Coaxial RCA, Coaxial BNC & AES/EBU: PCM 44.1kHz–192kHz, 16–24-bit
DSD (DoP, DSD over PCM) 2.8MHz, 1-bit

10M Clock I/O:
BNC Input: 50 Ohms on BNC
BNC Outputs: 50 Ohms on BNC

Optical Network:
Industry-standard SFP
1000Base-T Gigabit Ethernet
Adapter may be needed for your particular switch/cables
Use simultaneously with RJ45 (e.g. connect one to router and one to LUMIN L1 or NAS)

Power Supply:
External solid billet cnc dual-toroidal
Separate digital & analogue circuitry
Low-noise linear regulator
9-pin Output Connector

Physical:
Finish:
Black anodised aluminium (with matching PSU)
Raw anodised aluminium (with matching PSU)
Lumin (solid aluminium chassis):
350mm (W), 345mm (D), 60mm (H), 8kg
PSU (solid aluminium chassis):
106mm (W), 334mm (D), 60mm (H), 4kg

The U2x clearly proves itself as an ideal source for an optimised, forward-looking digital music system.

HiFi News

Streaming Without Compromise

Built as LUMIN's flagship transport, the U2x takes everything the brand has learned about network audio and pushes it further. A dedicated external linear power supply, precision clocking architecture, fibre networking support, and carefully isolated circuitry all work together to minimise noise and timing errors before the signal even reaches the DAC stage. The result is greater focus, improved spatial accuracy, blacker backgrounds, and a more natural sense of musical flow.

What makes the U2x especially compelling is how dramatically it can elevate an existing digital system. High-quality DACs often reveal just how important the upstream transport really is, and the U2x provides a level of stability and refinement that allows downstream components to perform at their full potential. Complex recordings sound more organised and effortless, imaging becomes more believable, and subtle textures emerge with greater realism.

Designed for Serious Digital Audio Systems

The U2x supports a wide range of high-end digital outputs including USB, AES/EBU, BNC, coaxial, and optical connections, allowing seamless integration with premium DACs from brands such as Accuphase. Native support for TIDAL, Qobuz, Spotify Connect, AirPlay, Roon Ready, and high-resolution local playback ensures access to virtually every modern streaming platform.

Visually and physically, the U2x feels every bit like a flagship component. Its substantial CNC-machined aluminium chassis and separate power supply create a sense of solidity and engineering confidence rarely found in digital source components.

Single-billet CNC chassis construction

Like Lumin’s other flagship components, the U2X is precision milled from a solid block of aluminium, creating an exceptionally rigid and acoustically inert chassis. Its thick, uninterrupted walls are designed to maximise structural stiffness and isolation, helping reduce unwanted vibration and external interference that can compromise delicate digital signals. The result is a quieter, more stable platform for high-resolution streaming performance.

All the usual LUMIN refinements

Lumin products are built around a philosophy of continuous development, ensuring the entire range continues to evolve long after purchase. As new streaming technologies and features emerge, Lumin regularly delivers major software and platform updates that keep its products current, capable, and highly competitive for years to come.

Unlike many audio manufacturers, Lumin develops both its hardware and software entirely in-house. This end-to-end control allows new technologies and services to be implemented quickly and seamlessly, while maintaining the stability and ease of use the platform is known for.

Recent major updates have introduced features including Qobuz Connect, TIDAL Max high-resolution FLAC streaming, Audirvāna certification, Plex server support, KKBox and QQMusic integration, expanded FLAC lossless radio stations, improved Spotify Connect sound quality, JPlay iOS app compatibility, and much more. Best of all, these updates are provided free of charge to all Lumin users, helping ensure your streamer continues to improve over time rather than becoming outdated.

Who is this for?

The Lumin U2X is built for listeners who already own a high-end DAC and want the cleanest, most stable digital transport possible feeding it.

Unlike a traditional streamer with analogue outputs, the U2X focuses entirely on digital transport duties. Every design decision—from its isolated circuitry to its external power supply—is intended to minimise noise and timing errors before the signal ever reaches the DAC.

It works especially well in systems where digital replay is already taken seriously, often paired with standalone DACs. In those setups, the U2X helps unlock greater focus, blacker backgrounds, and improved spatial precision.

For many experienced audiophiles, it becomes the “silent foundation” of the digital front end—the component that allows everything downstream to perform at its highest level.

What is the LUMIN U2X designed to do?

The LUMIN U2X is a flagship digital streaming transport from LUMIN designed to deliver the highest possible quality digital signal to an external DAC. Unlike a streamer with a built-in DAC, the U2X focuses entirely on network streaming and digital output performance.

Is the LUMIN U2X a streamer or a DAC?

The U2X is a streaming transport only. It does not include an internal DAC, so it must be connected to an external DAC, integrated amplifier with DAC, or preamplifier with digital inputs.

Who is the U2X designed for?

The U2X is designed for audiophiles who already own a high-quality DAC and want a reference-level streaming source capable of extracting maximum performance from their digital audio system.

What streaming services does the U2X support?

It supports TIDAL Connect, Qobuz Connect, Spotify Connect, Roon Ready, AirPlay compatibility, internet radio, Plex integration, and playback from network-attached storage devices.

Does the U2X support high-resolution audio?

Yes. The U2X supports PCM audio up to 768kHz/32-bit and DSD512, making it compatible with virtually all modern high-resolution music formats.

What makes the U2X different from the LUMIN U2 Mini?

The U2X is a true flagship model featuring a solid billet CNC-machined chassis, external dual-toroidal linear power supply, advanced clocking architecture, fibre networking, and isolated USB output circuitry for maximum signal integrity.

Why does the U2X use an external power supply?

The separate dual-toroidal linear power supply helps isolate sensitive digital circuitry from electrical noise, contributing to lower noise levels and improved signal stability.

What is the benefit of the isolated USB output?

The dedicated isolated USB output helps minimise electrical noise travelling from the network and processing circuitry to the connected DAC, preserving signal purity and reducing potential interference.

Does the U2X support external master clocks?

Yes. The U2X includes 10MHz clock input and output connections, allowing integration with external master clock systems and synchronisation with other high-end digital audio components.

What digital outputs are available?

The U2X offers USB, AES/EBU, BNC, coaxial RCA, and optical outputs, allowing compatibility with a wide range of DACs and digital audio systems.

Does the U2X support Roon?

Yes. The U2X is Roon Ready certified, enabling seamless integration with the Roon ecosystem for advanced library management, multi-room playback, and music discovery.

Can the U2X play music from a NAS drive?

Yes. It can access music libraries stored on NAS devices, UPnP servers, and network-attached storage systems, making it ideal for large local music collections.

What type of system does the U2X work best in?

It is best suited to high-end and reference-level audio systems where the owner already has a premium DAC and wants a dedicated transport that prioritises signal quality above all else.

How does the U2X compare to a typical music streamer?

Most streamers combine streaming and DAC functions in a single chassis. The U2X focuses exclusively on transport duties, allowing LUMIN to optimise power supply design, clocking, isolation, and digital output performance to a much higher level.