Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
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IΩN DAC
reviews
Manufacturer details
- Supported Formats: 44.1kHz to 384kHz PCM up to 32 bits, Native DSD (up to 8X DSD)
- Digital Inputs: 3x Advanced isolated input module slots (USB, BNC, RCA)
- XLR Balanced Outputs: 8.8 Vrms at 0dB (at high output)
- RCA Outputs: 4.4 Vrms at 0dB (at high output)
- THD (A weighted 20Hz-20kHz): < -110dB on all outputs
- Channel Separation: >130dB on all outputs
- SNR (A weighted 20Hz-20kHz): >122dB on all outputs
- Dynamic Range 20Hz to 20kHz: 135 dB (FS), 132 dB (AFS)
- Dimensions (WxHxD): 460 x 80 x 300 mm (18.1 x 3.1 x 11.8 in)
- Weight: 13kg (~28 lbs)
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- Ideon Audio employs a proprietary "3R" technology, re-clocking, re-energizing, and re-driving the USB signal, aiming to minimize jitter and improve signal integrity at both the input and output stages.
- They utilize custom-coded software for their components, such as their DACs, optimizing the interplay between hardware and software for enhanced audio performance and potential future firmware upgrades.
- Ideon Audio emphasizes over-engineered, discrete, low-noise linear power supplies, often with multiple independent supplies within a single component, to provide clean and stable power to sensitive circuitry.
Select products
Ayazi MK2 DAC
- Positioning: The entry-level, affordable reference in Ideon Audio's lineup.
- Description: Offers exceptional sound quality at its price point, making it a great choice for budget-conscious audiophiles. Features a proprietary electrostatic protection circuit for its USB input, which helps maintain signal integrity by preventing noise from entering the system. Compared to the more advanced Eos DAC, focuses on delivering a broad dynamic range and low distortion, making it suitable for small rooms or setups where simplicity and cost-effectiveness are priorities.
Eos DAC
- Positioning: A mid-range offering that includes advanced technologies from Ideon's higher-end models.
- Description: Features a symmetrical analog output stage and proprietary noise elimination technology. Shares some of the advanced features found in the ION DAC, such as the triple distillation USB input, but at a more accessible price. Offers a significant upgrade over the Ayazi MK2 with enhanced soundstage and clarity.
ION DAC & Pre-Amp
- Positioning: A high-end model that serves as a reference front end, incorporating many innovations from the flagship Absolute series.
- Description: Delivers a sense of naturalness and presence, thanks to its cutting-edge analog stage and ultra-low noise power supply. Features a modular construction for future upgrades, similar to the Absolute DAC, but at a lower price point.
Absolute DAC
- Positioning: Ideon Audio's flagship model, representing the pinnacle of their digital audio technology.
- Description: Offers groundbreaking audio performance with its proprietary design and cutting-edge technologies, such as the triple distillation USB input and femto clock oscillators. Provides the highest dynamic range and soundstage among Ideon's products. Compared to the ION DAC, offers even more refined sound and future-proof modular construction.
Our take on the brand
Look inside the brand
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
We love and pursue purity. That’s why our analog output doesn’t choke dynamics with multiple stages, it lets them breathe, preserving the extraordinary SNR of our DAC engine without introducing artifacts or limitations. We’ve developed our own proprietary parallelized DAC conversion engine, complete with over 4,000 lines of custom firmware. Why? To meet our standards for emotional realism. We wrote our own rules—and our own code—to bridge the gap between technical performance and musical truth.
That’s what sets us apart: every circuit, every line of code, every concept is ours.
From our advanced re-clocking systems to our zero-noise rectification bridges—everything is conceived, designed, and executed in-house.
Even our power supply architecture is proprietary: parallelized, ultra-low-noise designs, paired with custom active bridges that eliminate diode-generated noise at rectification.
This isn’t tweaking - this is redefining what’s possible in digital playback. Timing correction is applied at both ends - input and output - with our sequential re-clocking and re-driving architecture. Each device is equipped with multiple femto-level clocks, operating in cascading stages, ensuring absolute signal phase integrity and vanishingly low jitter.
This is a fully upgradeable platform - because we’re always thinking ahead. All of this adds up to something more than specs, more than numbers. It results in sound with unimaginable resolution, breathtaking dynamics, and a texture that’s almost tactile. Whether through USB or SPDIF, our re-clocking and re-driving platforms deliver a musical experience that isn’t just accurate, it’s alive. Music deserves nothing less.
USB Input
More than 90% of DACs today use the same two generic USB chipsets. We don’t. Instead, we created our own proprietary USB input architecture, hardware and firmware designed together, paired with top-class femto-level clocks. It’s called the Ideon Triple Distillation USB input - a three-stage circuit that eradicates digital noise before the signal even reaches the DAC chip. What reaches the conversion stage is unflavored, untainted, and utterly transparent. A clean slate - ready to be reborn as music. This is our declaration of war on both linear and non-linear distortion. We simply eliminate noise.
Analog Stage
We take a similarly radical approach: one single stage. No coupling capacitors in the signal path. No power FETs or multiple output stages to artificially inflate current or “enhance” dynamics, because we found a better way. Our ultra-low-noise, symmetrical power supplies feed a uniquely designed topology that maintains signal integrity at an unmatched level. The result? Explosive dynamics, natural textures, intense detail—yet nothing is forced, nothing hyped. It just sounds real.
What's your approach to customer support?
Our approach to customer support is structured, customer centric, yet highly responsive. The first level of support is handled by our distributors in each country where we are represented. For territories without a local distributor, customers can contact our technical team directly. In fact, many customers reach out to us even when a distributor is present, especially for specific technical questions. We maintain a dedicated support email and pride ourselves on responding quickly and effectively to every inquiry. Customer satisfaction is at the core of everything we do. We’ve consistently been praised by both customers and partners for our fast, reliable, after-sales support. Whatever the issue, our goal is to resolve it swiftly and professionally. Additionally, all Ideon Audio products are designed with a modular architecture. This means servicing is straightforward and quick, as individual modules can be easily replaced when needed. This way we minimize downtime, ensuring continued performance. We are committed to making sure every customer is satisfied. In fact, we aim for, and maintain a zero unhappy customer record.
What are your favorite tracks for showcasing the strength of your products?
- Sway, Diana Krall
- Jacques Loussier Erik Satie Gnossienne No. 4
- Daft Punk, the Game of Love
- And many others
What other products pair best with yours?
This list is big, as we try to listen to synergies with many different products from a lot of brands. To name a few: Wilson, Estellon, JMF, Elac, Gamut, VTL, Aesthetix, etc.
Used
Ideon Audio
What if you spend more?
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Product Strengths
- Delivers outstanding clarity and detail throughout the music
- The Ring DAC tech, combined with other high-end components, produces musicality throughout the music
- Delivers expressive dynamics and taut, powerful bass
- Offers a wide soundstage and excellent sonic authority
- Superior presentation of texture, overtones, and bass
Product Considerations
- The streaming module does not impress as much as the DAC section
- Has a bewildering array of filters and sonic tuning options, which may be overwhelming for some users
- Lacks Bluetooth, Wi-Fi, and HDMI ports
- Does not have an integrated amplifier
Comparisons (according to reviewers)
- The Rossini Apex is better than the pre-Apex dCS Vivaldi
Takeaway:
The dCS Rossini APEX DAC is an exceptional, high-end system for audiophiles seeking to experience the soul of a performance. It provides a transformative journey into the heart of music, which could make it worth buying.
Video review
Our take on the brand
Powerful and graceful too, the Rossini renders music with the utmost precision and care, delivering a fluid and natural sound without the slightest hint of harshness or glare. From the softest strings to the sharpest brass, and the quietest intake of breath, it unearths each aspect of a recording to reveal a performance that feels layered, lifelike and whole.
Product Strengths
- Exhibits a design philosophy that marries functional elegance with robust construction
- Employs dCS proprietary Ring DAC technology for exceptional accuracy in digital-to-analog conversion
- Has impressive streaming capabilities, supporting services like TIDAL, Spotify, and Qobuz, and is compatible with Roon, Airplay, and UPnP streaming
- Produces a powerful, impressive, and taut sound with more low-frequency impact
- Demonstrates exceptional capability in reproducing both macro and micro dynamics
Product Considerations
- The dCS Rossini is optimized as a 'Network Player' and sounds best when used that way, not necessarily with other Aurender products
- The Mosaic app sometimes had limited information viewable on the track
- The volume buttons on the remote are clunky and insensitive
Comparisons (according to reviewers)
- Rossini has a wider and deeper soundstage than the Holo Audio May KTE DAC
- Rossini APEX Player produces a really powerful, impressive and taut sound, with more low-frequency impact than the Chord DAVE DAC and M-Scaler DAC combination
- The sound is quite a bit better using the Sonore SonicTransporter i5 than that coming via the Aurender N10 regardless of which digital output is used from the Aurender
Takeaway: The dCS Rossini is a well-engineered and handsome unit with vast digital format compatibility. It delivers unmatched transparency, expansive soundstage presentation, pristine midrange reproduction, and exquisite detail, so it is worth considering to fully unlock a music library.
Video review
Our take on the brand
Product Strengths
- Accepts input signals up to 96 kilohertz via USB or SPDIF input
- Comes with a multi-page USB installation guide
- Includes a JRiver license and guide for installation on Apple, Mac-based OS X environment, Windows XP, or Windows 7
- Sound is comparable to a Wandoff turntable
Product Considerations
- The review mentions using the USB functionality in the DAC primarily, so performance with SPDIF is not a focus
Takeaway: The MBL 1611F digital audio converter offers high-resolution audio playback and comes with helpful software and guides. It delivers excellent sound quality, making it a great choice for audiophiles.
Video review
Our take on the brand
Product Strengths
- Represents a revolutionary change from previous versions, described as a 'homerun' improvement over the DA2 V2
- Newly engineered folded-cascode output stage, devoid of overall feedback, enhances bandwidth and delivers unparalleled stability
- Refined asynchronous clock minimizes jitter and maximizes stability
- Cutting-edge in-house switch-mode power supply (Meitner X-Power) with over 95% efficiency isolates power delivery between digital, analog, and streaming stages
- Updated custom FPGA boosts performance at higher sampling rates while preserving the proprietary Meitner Digital Audio Translation (MDAT2) scheme
- Supports Tidal Connect, Spotify Connect, Qobuz, Deezer, and vTuner Internet Radio, offering streaming up to 2x DSD, and DXD
Product Considerations
- The price is $35,000 USD
Comparisons (according to reviewers)
- Vs EMM Labs DA-2: The DA2i is a major upgrade from the original, with updates that improved resolution and bass
- Vs Linn Organik: The Linn Organik bettered the DA2 (predecessor to the DA2i) in some ways, but not enough to warrant selling the DA2
- Vs Wadax digital stack: The EMM Labs DA2 (predecessor to the DA2i) had been surpassed by the Wadax, particularly with respect to the resolution of low-level detail, dynamics, focus, soundstage—and noise floor
Takeaway: The EMM Labs DA2i D/A converter has significantly advanced the state of digital audio, particularly in extracting the best from Redbook sound. It offers major improvements with a redesigned architecture and enhanced features.
Video review
Our take on the brand
What competes at this price?
Our Summary
Product Strengths
- dCS Bartók APEX offers more refined and coherent sound compared to previous versions
- The APEX Ring DAC reduces noise and increases linearity, resulting in greater dynamic range, detail, and vitality
- The dCS Mosaic app allows for comprehensive remote control, OTA updates, and efficient streaming options
- The headphone amplifier can drive a vast range of headphone models regardless of efficiency or impedance
- Implementation of the APEX Ring DAC delivers a more profound listening experience by reducing 3rd-order harmonic distortion
Product Considerations
- The dCS Bartók APEX is heavy and large
- The dCS Lina system performance could provide a dilemma for some potential buyers
- The headphone amp option is only available at point of purchase
Comparisons (according to reviewers)
- Vs original Bartók—the Bartók APEX upgrade sounds much more refined than previously
Takeaway: The Bartók APEX is a very high-quality music player that offers both simplicity and scalability, with the ability to be upgraded in the future. It is a worthwhile investment for an excellent sound experience.
Video review
Our take on the brand
Our Summary
Product Strengths
- Combines multiple functions (network player, DAC, phono stage, and preamplifier) into one chassis, offering versatility and reducing component clutter
- High-quality build with meticulous attention to detail and excellent casework, promising durability
- Offers a transparent and detailed sound, with impressive control and a captivating presentation of music
- Features an intuitive user interface with a vibrant color display and a well-designed remote control (BRM-1)
- Incorporates technologies like the MOON Damping Base (MDB) and M-RAY2 volume control to minimize noise and distortion
Product Considerations
- The collapsible packaging is difficult to manage for one person
- Software may need updates to improve device connectivity
- The speaker cable terminals on the partnering 861 power amp can be tight with larger spades
- High price may be a barrier for some potential buyers
Comparisons (according to reviewers)
- The 891's DAC/preamp section surpasses the performance of the MOON 780D v2/850P combination
- The instrumental separation through the 891/861 amps was a noticeable step above that of the MOON 791/761
- The 891 was significantly quieter than the Reference 6SE
- Instruments and vocals exhibited more body and dimension than with the T+A MP 3100 HV
- The streamer built into the MOON 891 preamp sounds more neutral and more insightful than the MOON 680D
Takeaway: The MOON 891 is a versatile and well-built audio component that combines streaming, DAC, preamplification, and phono stage capabilities into a single unit. It offers a high-quality listening experience and a range of features that make it a great option for audiophiles looking to simplify their setup.
Video review
Our take on the brand
Our Summary
Product Strengths
- Detailed, clear, harmonically rich, and musically engaging, ticking all the audiophile boxes
- Retrieves more low-level data, texture, and atmospherics and is smoother, less grainy, and more powerful sounding—hence more transparent and emotionally engaging—than the pre-Apex version
- A solid, heavily engineered unit, built with aerospace-grade machined aluminum panels and acoustic damping
- Can operate as a complete network-connected digital player, streaming from a music store or online sources, via its galvanically isolated RJ45 Ethernet port
Product Considerations
- Considered second from the bottom of the line DAC and can be considered expensive
- Physical appearance looks the same as the 2.0 version, which also looks the same as the original Bartok
- The preamplifier section, with its attenuator, plays more distinctly, with clearer and more prominent highs
- The depth of the soundstage is not particularly exceptional compared to the Rossini series and, above all, with the Vivaldi; the tested player shows everything close, rather than plunging the instruments into the space far behind the speakers
Takeaway: The dCS Bartok Apex delivers a harmonically saturated sound with plenty of color information, including depth. This product could be worth buying if you are looking for a DAC.
Video review
Our take on the brand
Our Summary
Product Strengths
- Natural and warm sound with a big and smooth body to the music, almost like listening to vinyl but even better
- Delivers a life-size scale to the instruments and vocals, providing a very realistic and immersive experience
- Details presented are life-size and realistic with beautiful timbre, emerging from top to bottom of the range
- Creates intensely black backgrounds and has a natural musical way of delivering the music
- Makes even lower quality streaming sound beautiful, improving even bad recordings
Product Considerations
- The retail price is very high, making it primarily accessible to the upper 1% of consumers
- Not about 'bite', 'crispness', or 'impact' in the traditional digital audio sense, so those seeking those qualities may prefer other DACs
- The Tube DAC has a beautiful preamp section, but it doesn't provide additional analog inputs
- It's crucial to pair it with a high-quality streamer to unleash its full potential; using a lower-end streamer could bottleneck its performance
Comparisons (according to reviewers)
- Vs Holo Audio May KTE: The Nagra Tube DAC sounds even more natural and removes digital traces present in the May KTE
- Vs Chord DAVE: The Nagra Tube DAC is more ethereal and holistic, while the Chord Dave is more detailed up top and excitable
- Vs Weiss 501 MKII: The Weiss MKII is excellent—but doesn't quite reach the heights of the Nagra
- Vs Nagra Classic DAC: The Tube DAC's sound stage became almost holographic and the sound even smoother, richer, cleaner—and clearer
- Vs EverSolo A10: The EverSolo is great with the Nagra when used as a streamer, it brings a beefy yet clear and beautiful spatial sound, but loses out to some excitement and depth to the HiFi ROSE
- Vs WiiM Ultra: The DAC was being a little bit choked as all of the magic was not audible, as it was with the HiFi ROSE
Takeaway: The Nagra Tube DAC is considered by many to be one of the best DACs available, providing a beautiful, lifelike, and engaging listening experience that is a special end-game product. It connects the listener emotionally with every song, making music sound as good as it can.
Video review
Our take on the brand
Our Summary
Product Strengths
- Exceptional build quality, with elegant design and attention to detail
- Silent drive operation, with no audible noise emission
- Superior SACD/CD playback, considered the finest by one reviewer
- High-quality upsampling of CDs, resulting in improved detail, soundstaging, and imaging, and converts the CD's PCM feed to Double DSD, then further processing using a proprietary algorithm
- A digitally-driven, analog volume control is included, which is useful to adjust the volume
Product Considerations
- The Stream-X module has limitations with PCM 192 and DSD64 formats, which are lower than the DAC's capabilities, therefore requires a user to stream from a computer or another streamer to access these capabilities
Comparisons (according to reviewers)
- Versus Playback Designs MPS-5, the MPS-8 betters the MPS-5 significantly, for example by improving digital isolation through separated power supplies
Takeaway: The Dream/Playback Designs MPS-8 is a beautifully designed and meticulously crafted SACD/CD player and DAC that delivers exceptional sound quality, especially with physical media. It is a top-tier digital source for those seeking the best possible playback experience.
Video review
Our take on the brand
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