LUMIN U1 Network Streamer Transport

Brand: LUMIN
Product Code: LUM-U1
Warranty: 2 Years
Colour: *

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U1 - The Audiophile Streaming Transport

A LUMIN for DAC owners; LUMIN U1 focusses on pure digital.

Key Features

  • DSD512 22.5 MHz
  • PCM 768 kHz
  • DSD128 upsampling
  • 5 types of output
  • USB output
  • Dual-toroidal PSU


After years of requests from existing high-end DAC owners, the LUMIN team have taken the finest components from the flagship S1 model and developed them specifically for digital processing and output.

Using a new dedicated LUMIN U1 processor adds upsampling and downsampling for every supported format – all the way from 44.1kHz to DSD128 – providing maximum DAC compatibility and optimisation.

Transport-Only Unit Based on the Award-Winning LUMIN S1

  • 5 types of digital audio output including new USB
  • Includes DSD512 22.5 MHz 1-bit playback
  • PCM 44.1–768 kHz 16–32-bit
  • 4 exceptionally low-phase-noise crystal clock oscillators
  • External dual-toroidal power supply
  • Resampling to every supported format up to DSD128 and PCM 384 kHz
  • Supports DoP (DSD over PCM) for Optical, Coaxial RCA, Coaxial BNC & AES/EUB SPDIF

All the Usual LUMIN Refinements

  • From MQA to DSD, FLAC to WAV, LUMIN can play all the high-resolution formats you could ever want
  • Native support for TIDAL, Qobuz, Spotify and AirPlay-compatible, giving you access to tens of millions of songs
  • The unique and intuitive LUMIN App described as "the most convenient interface in existence" by TINMAN
  • LUMIN programme of continuous development that has seen Roon, MQA, and Spotify support added in 2017 alone

Supported Streaming Services


Leedh Processing Digital Volume Control

U1 Specifications
DSD Support Up to DSD512 22.5 MHz, 1-bit
PCM Support Up to 768 kHz, 16–32-bit, Stereo
Upsampling Rates & Bit Depths DSD128 upsampling option for all files, PCM 384 kHz upsampling option for all files
Digital Output Stage USB: DSD512 22.5 MHz, 1-bit, Stereo, PCM 44.1–768kHz, 16–32-bit, Stereo
Optical, Coaxial RCA, Coaxial BNC & AES/EBU: DSD (DoP, DSD over PCM) 2.8 MHz, 1-bit / PCM 44.1 kHz – 192 kHz, 16 – 24-bit
Power Supply External dual-toroidal, available in 240 V and 110 V versions
Finish Raw brushed aluminium or black anodised brushed aluminium
U1 Dimensions & Weight (Solid Aluminium Chassis) 350 mm (W), 345 mm (D), 60 mm (H), 8 kg
PSU Dimensions & Weight 100 mm (W), 315 mm (D), 55 mm (H), 2 kg
Specifications for all LUMIN Music Streamers
Streaming Protocol UPnP AV protocol with audio streaming extension (OpenHome) / Roon Ready / Spotify Connect / AirPlay compatible / Gapless Playback / On-Device Playlist
App Features Native support for TIDAL, MQA, Qobuz and TuneIn Radio / Tidal MQA icons to identify high-res music / Qobuz High-Res icons to identify high-res music / Volume control / High-resolution artwork / Artwork caching / Search / Multiple tag handling / Composer tag support / Album-grouping in playlist / Automatic internet links to artists, albums and songs / Saving and restoring of playlists (including TIDAL and Qobuz)
Supported Audio File Formats DSD Lossless: DSF (DSD), DIFF (DSD), DoP (DSD) / PCM Lossless: FLAC, Apple Lossless (ALAC), WAV, AIFF / Compressed (Lossy) Audio: MP3, AAC (in M4A Container) / MQA
Input Ethernet RJ45 network 1000Base-T / USB storage, flash drive, USB hard disk (single-partition FAT32, exFAT and NTFS only)
Analogue Audio Outputs XLR balanced, 4 Vrms, pin 2 hot / RCA unbalanced, 2 Vrms
Supported Control Devices All models of Apple iPad (v2 or later). iOS 8.0 or later required. Full Retina display support / Android devices. Android 4.0 (Ice Cream Sandwich) or later required
Other Leedh Processing lossless digital volume control / Programme of continuous development – Firmware-upgradable for further features and enhancements
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