Lumin U2 Network Music Transport
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U2 Network Music Transport (Single)
A streaming transport for use with an external DAC, with an internal toroidal linear power supply, a dedicated low-noise USB output and optical fibre networking. Priced and sold individually.
Description
The next-generation streaming transport
U2 brings the design philosophy of the T3 to a LUMIN transport, using chassis construction, linear power supply design and dual networking from the P1. Its integrated toroidal linear power supply, four low-phase-noise crystal clock oscillators and latest LUMIN processor support DSD512 and PCM768 playback, with up/down sampling up to DSD256.
Three USB ports include a dedicated “Direct-Coupled” USB digital audio output, leaving two free for storage and accessories, alongside optical, coaxial RCA, coaxial BNC and AES/EBU outputs. Fibre networking and a dual-network interface with built-in switch are included, and U2 is Roon Ready with TIDAL Connect, Qobuz Connect, Spotify Connect and AirPlay support.
- Latest processor for greater resampling flexibility
- Integrated toroidal linear power supply
- Fibre network for isolation from network digital noise
- 3 USB ports including a dedicated low-noise USB output
- Dual-network interface with built-in network switch
- DSD512 and PCM768 playback
- 4 low-phase-noise crystal clock oscillators
- Leedh Processing lossless volume control
Specifications
| Model | U2 |
| Pack Type | Single |
| Available Colours | Black anodised aluminium Raw anodised aluminium |
| Playback | |
| DSD Support | Up to DSD512 22.5MHz, 1-bit |
| PCM Support | Up to 768kHz, 16–32-bit, Stereo |
| Upsampling | DSD256 upsampling option for all files PCM 384kHz upsampling option for all files |
| Digital Output Stage | |
| 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 |
| Optical Network | |
| Interface | Industry-standard SFP 1000Base-T Gigabit Ethernet |
| Notes | 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) |
| Input | |
| Network & Storage | Ethernet RJ45 network 1000Base-T USB storage, flash drive, USB hard disk (Single-partition FAT32, exFAT and NTFS only) |
| Power Supply | |
| Type | Internal toroidal linear Low-noise linear regulator |
| Streaming | |
| Streaming Protocol | UPnP AV protocol with audio streaming extension (OpenHome) Roon Ready Qobuz Connect TIDAL Connect Spotify Connect Plāys with Audirvāna JPLAY Certified AirPlay-compatible QPlay-compatible for QQMusic Gapless Playback On-Device Playlist |
| App Features | Native support for TIDAL, MQA, Qobuz, Amazon Music Unlimited, KKBox and TuneIn Radio. Tidal MAX and 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/album/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 |
| Other | MQA |
| Supported Control Devices | |
| Devices | Apple devices. iOS 15.0 or later Android devices. Android 6.0 (Marshmallow) or later required Apple Silicon. macOS 15 or later. (Download the iOS App from the iOS App Store) Chromebook. Google Play Store required. |
| Physical | |
| Dimensions (W × H × D) | 350 × 60.5 × 350 mm |
| Weight | 6kg |
| Other | |
| Features | Leedh Processing lossless digital volume control Programme of Continuous Development – Firmware-upgradable for further features and enhancements |
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.