This review dives into the Live Micro DAC, a compact R2R DAC challenging the high-end audio landscape. Priced competitively under $1000, it aims to deliver the fidelity of much more expensive units in a miniature package. The debate surrounding R2R DACs and the importance of I²S inputs is central to the discussion, as the Micro DAC boasts both, alongside impressive connectivity including USB, coaxial, and optical. However, its compact form factor necessitates the use of only XLR outputs, a limitation that may affect some users. This review compares its performance against established competitors like the RME ADI-2 DAC fs and the Jelli Labs J3 Pro, exploring subtle but significant differences in soundstage, resolution, and overall sonic character.The comparison focuses on subjective listening experiences, acknowledging the influence of personal preferences and equipment pairings. We'll examine the benefits of using the optional Live Micro DDC, analyzing how it enhances the Micro DAC's capabilities, particularly when using USB input. Ultimately, this review assesses whether the Live Micro DAC truly earns its claim as a sub-$1000 R2R champion, considering both its strengths and limitations in the context of its price and features. The conclusion will offer a balanced perspective for potential buyers considering this compact yet powerful DAC.
Pros And Cons
- Reasonable price
- Decent size
- Pretty good sound (but not as good as others)
- Compact size
- Offers USB, coaxial, optical, and I2S inputs
- Discrete class A output stage
- Oversampling and non-oversampling modes
- Configurable I2S input
- Selectable internal/external clock
- In oversampling mode, delivers better sense of focus, detail resolution, and balanced sound
- Superior I2S input compared to USB input (with caveats)
- Smoother sound than Bifrost 2 in comparison
- Slightly more three-dimensional sound stage than Bifrost 2
- Can sound better than several competitors with a high-quality I2S input
- Good value for under $1000, potentially better even at higher price points
- Only offers XLR outputs (no RCA)
- Uses external wall power supply instead of internal linear power supply
- Performance of inputs depends on the source device
- With USB, optical, or coaxial inputs, performance is comparable to Bifrost 2.
- Has RCA outputs
- Less input options than Live Micro DAC
- Drier in upper end compared to Live Micro DAC
- Slightly flatter and drier soundstage compared to Live Micro DAC
- More transparent and detailed than the Micro DAC
- Produces more space around each sound
- Better textures and details in sound than the Micro DAC
- Larger and more expensive than Micro DAC
Read more: Fiio K11 R2R DAC/Amp Review: A Worthy Upgrade or Redundant Luxury?
The Contenders: High-End DACs and the I²S Debate
The world of high-end Digital-to-Analog Converters (DACs) is a fiercely debated territory. Many audiophiles swear by specific brands and features, leading to a wide range of opinions on what constitutes 'good sound'. The I²S (Inter-IC Sound) input, in particular, is often cited as a critical component for achieving superior audio quality. But is it really necessary?
Some believe that the sonic differences between various R2R DACs are negligible. Others, however, champion specific models like the R2R DAX or those with rigorous measurement results. The input type also plays a significant role in the discussion, with many prioritizing DACs featuring the I²S input for supposedly superior sound quality.
Introducing the Live Micro DAC: Size Matters?
Enter the Live Micro DAC, a compact R2R DAC priced competitively with established players like the Topping Centurus. Despite its small footprint, the Micro DAC boasts impressive connectivity options, including USB, coaxial, optical, and – crucially – I²S inputs. It shares the same R2R circuitry as the larger, more expensive Live Harmony DAC, promising high-fidelity audio in a miniature package.
However, its compact form factor necessitates a compromise: the Micro DAC exclusively offers XLR outputs, making it unsuitable for users requiring RCA connections for equipment like tube amplifiers. Despite this limitation, the Micro DAC offers a discrete class A output stage and various options for oversampling and I²S input configuration.
Sound Quality Comparisons: Micro DAC vs. the Competition
At this price point, most DACs deliver impressive performance. Subtle differences emerge only through direct comparisons, focusing on aspects like warmth, resolution, and soundstage. The reviewer prefers oversampling, and found the Micro DAC smoother than the Bifrost 2, while the latter sounded slightly drier in the higher frequencies.
A key distinction involves soundstage. The Micro DAC created a more three-dimensional and holographic soundscape, resulting in better image focus. The Bifrost 2, however, offers more input options and RCA outputs, which may make it preferable for some users.
Micro DAC vs. Jelli Labs J3 Pro: A Detailed Comparison
The Jelli Labs J3 Pro with Sparkos Labs Pro op-amps presents a crisper and more focused image, though the soundstage is flatter and more intimate compared to the Micro DAC. The Micro DAC’s soundscape is noticeably larger and more spacious, leading to better separation and three-dimensionality. While the J3 Pro offers a more focused presentation, the Micro DAC provides a more realistic and lifelike sonic experience due to its larger and more three-dimensional soundstage.
The reviewer notes that these differences are subjective and influenced by factors like speaker and headphone choice. Furthermore, using an upgraded linear power supply significantly enhanced the J3 Pro's performance, closing the gap with the Micro DAC in terms of overall quality.
The Live Ecosystem: Micro DAC and Micro DDC
Live Audio's Micro DAC doesn't exist in isolation. The company also offers a Micro DDC (Digital-to-Digital Converter), which transforms various inputs into a high-quality I²S output. While this adds to the overall cost, it significantly enhances the Micro DAC's performance, especially when using USB input. The combination of Micro DAC and Micro DDC brings the sound closer to that of the full-sized Harmony DAC.
The decision of whether to pair the Micro DAC with the Micro DDC depends on individual budget and preferences. The standalone Micro DAC is already a remarkable performer, and adding the DDC elevates it further. However, the full Harmony system, which incorporates a headphone amp and preamp, offers a more integrated and refined solution. The reviewer notes that the Micro DAC might appeal to those wanting a compact system that can be upgraded gradually.
Conclusion: Is the Live Micro DAC Worth It?
The Live Micro DAC stands as a compelling contender in the sub-$1000 DAC market. Its exceptional sound quality, compact design, and versatile input options make it a strong choice for audiophiles seeking high-fidelity audio without breaking the bank. While it doesn't quite match the refinement of its larger sibling, the Harmony DAC, it offers a close approximation at a substantially lower price point.
The option of adding the Micro DDC further enhances the Micro DAC's performance, creating a flexible system that caters to various needs and budgets. Ultimately, the choice depends on individual preferences and priorities. But for those seeking a fantastic-sounding compact R2R DAC, the Live Micro DAC is worthy of strong consideration.