LAIV HARMONY UDAC Discrete Balanced R2R DAC Black

The LAIV Harmony µDAC, little brother of the LAIV Harmony DAC, is also a discreet, balanced R2R DAC. However, it features an ultra-compact form factor, similar to the brand's LEXT interfaces. Like its big brother, it supports high-resolution sampling rates up to PCM 32bit 768kHz and DSD256.

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Shipping date: 04-09-2025.

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Facturation France
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2 Years warranty

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LAIV Harmony µDAC Discrete Balanced R2R DAC 32bit 768kHz DSD256 Black

LAIV HARMONY uDAC photo

The LAIV Harmony µDAC, little brother of the LAIV Harmony DAC, is also a discrete, balanced R2R DAC. However, it features an ultra-compact form factor, similar to the brand's LEXT interfaces. Like its big brother, it supports high-resolution sampling rates up to PCM 32bit 768kHz and DSD256. LAIV has equipped its device with audiophile components within a high-end design. The digital and analog stages are galvanically isolated, and it features an Altera Cyclone IV CPLD, Accusilicon AS318 Femtosecond oscillators and a Class A discrete output stage for the most authentic and accurate sound reproduction. As well as its elegant looks, the µDAC boasts full connectivity: USB-B input, Toslink optical input, coaxial SPDIF input, I2S clock input via HDMI and balanced XLR output. As you can see, this little device from LAIV offers the very best in digital-to-analog conversion, all in a compact format.

LAIV Harmony µDAC: Balanced R2R DAC

The LAIV Harmiony µDAC is based on the same digital-to-analog conversion circuit as its big brother, namely a discrete balanced R2R circuit designed from audiophile components for precise signal processing. It supports high-definition sampling rates up to PCM 32bit 768kHz and DSD256. Each resistor in the circuit, with a tolerance of 0.05%, is carefully arranged to deliver superior, faithful and immersive sound quality.

The R2R circuit of the LAIV HARMONY uDAC
The LAIV HARMONY uDAC clock

LAIV Harmony µDAC: Clock optimization

The µDAC is based on an Accusilicon AS318 femtosecond oscillator with very low phase noise, guaranteeing uncompromising performance. In addition, an I2S port via HDMI allows integration of an external master clock for even greater performance. This flexible system will be particularly appreciated by the most demanding audiophiles.

LAIV Harmony µDAC: Discrete class A output buffer

The LAIV Harmony µDAC's Class A output buffer uses discrete components for precise impedance matching, to avoid signal degradation and ensure optimum transfer to an amplifier. The fact that it's in Class A ensures constant linearity and low noise, for the smooth, warm sound performance so highly prized by audiophiles.

LAIV HARMONY uDAC output buffer

LAIV Harmony µDAC: Galvanic isolation

The µDAC's digital and analog circuits are galvanically isolated to avoid ground loops and guarantee a clean, interference-free path for the sound signal.

Galvanic isolation of LAIV HARMONY uDAC circuits

LAIV Harmony µDAC overview

Overview of LAIV HARMONY uDAC
1Power button
2Display
3Menu button
4Return button
5Multifunction button
6Balanced XLR output
7I2S input via HDMI (accept MCLK clock)
8Coaxial input
9Toslink optical input
10USB-B input
1115V 2A power supply via DC jack

Technical characteristics

Specifications
Product typeDAC R2R
Inputs1x USB-B input
1x Coaxial input
1x Toslink optical input
1x I2S input via HDMI
Output1x Balanced XLR output
ProcessorAltera Cyclone IV
Supported sampling ratesPCM up to 32Bit 768kHz
Native DSD up to DSD256
External clock via I2S HDMI
General
Power supply15V 2A via jack DC
Package1x LAIV Harmony µDAC
1x Power adapter
 
Data sheet
InputSPDIF
InputI2S via HDMI
InputUSB
InputOptical
OutputXLR
DAC / ADC ChipR2R LADDER DAC
Max sampling rate768kHz
Max sampling rateDSD256
ColorBlack
NetworkingNo
Remote ControlYes
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
révélation
Acheté l’u-dac après avoir entendu un enregistrement de démonstration sur YouTube d’une source en qui j’ai confiance. Ce que j’ai vécu lors de l’enregistrement démo est exactement ce que je vis maintenant dans ma chaîne. Les saveurs diffèrent et ma préférence est un climat sonore spatial et ´laid-back'. C’est incroyable ce que l’u-dac ajoute en profondeur à l’image sonore. Ce n’est pas un son plat mais il est vivant et convient comme une expérience en direct pour le salon. Depuis que j’ai commencé mon passe-temps hi-fi en 1970, j’ai toujours utilisé des équipements à effets qui ajoutent plus d’espace à l’image sonore quelle que soit la gamme de prix de l’équipement hi-fi que j’utilise. Pour la première fois, j’envisage maintenant d’omettre cet équipement à effet et de simplement écouter l’u-dac.
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This review has been posted for LAIV HARMONY UDAC Discrete Balanced R2R DAC 32bit 768kHz DSD256 Black
Note :
 5/5
Date :
Produit solide
Acheté la télécommande pour le LAIV Harmony u-dac. Est relativement cher; surtout si vous essayez d’économiser en n’achetant pas le LAIV Harmony dac. La télécommande est extrêmement solide et fonctionne bien avec le u-dac. Je peux maintenant changer la source à distance, passer entre OS et NOS et changer la phase positive vs négative pour le meilleur résultat d’écoute.
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This review has been posted for LAIV HARMONY UDAC Discrete Balanced R2R DAC 32bit 768kHz DSD256 Black
 
LAIV HARMONY UDAC Discrete Balanced R2R DAC 32bit 768kHz DSD256 Black
The LAIV Harmony µDAC, little brother of the LAIV Harmony DAC, is also a discreet, balanced R2R DAC. However, it features an...

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