Denafrips Enyo 15th Review: R2R Done Right at $700

A $700 true balanced R-2R ladder DAC with an O-Core transformer, I²S input, and a natural, musical sound that easily competes with delta-sigma converters costing far more.

Denafrips $699 8 min read
9.1
Highly Recommended

R2R DACs are associated with expensive, high-end audio devices that provide a distinct sound compared to delta-sigmaThe dominant DAC architecture today, using high oversampling and noise shaping to push quantization noise above the audible range. converters. The Denafrips Enyo 15th is priced at just $700 - rather low for an R2R DACDigital-to-Analog Converter - a device that translates binary audio data into an analog electrical signal that can be amplified and heard.. But is this budget option a smart choice? Let’s check it out.

Design & Build Quality

It’s clear that Denafrips has paid much attention to the physical aspects of this DAC. This isn’t just about how it sounds - it’s about the entire experience.

The first thing you’ll notice is the redesigned chassis. It’s constructed from thick aluminum. This isn’t thin sheet metal - it’s substantial and feels incredibly solid. It’s very heavy, probably in part because of the big O-Core transformer. Regardless, it’s dense, nothing rattles inside and there’s no ringing when you tap it. The anodized finish, combined with a brushed texture, gives it a sleek, premium look and also provides a durable, scratch-resistant surface. You won’t scratch it easily like some super smooth, thin, painted metal surfaces.

The front panel is clean and minimalist, featuring only the necessary elements. There’s a standby button, some functionality controls, input selectors, and a mute button - none of which have any plastic parts. As you can see that seems to be a trend with all Denafrips electronics - they hate plastic, and not just low-quality crap, they hate every type of plastic - and I love that approach. These buttons have a strong tactile feel. They’re firm and responsive, with almost no wiggle or play.

On the front, we also have indicator LEDs that glow in red. They are just about perfect brightness to be seen easily and not to be annoying or disturbing, even at night, when it’s dark. I used to have a device in my bedroom, that had blue lights so bright, I had to plug it out every time I wanted to sleep, here you get none of that - they nailed it.

Now, let’s take a look at a seemingly small detail that makes a big difference in the overall stability and possibly even sound performance of the Enyo: the feet. This might seem trivial, but it’s a crucial aspect of build quality, especially for audio equipment. It utilizes a four-foot design. This is a significant improvement over some other Denafrips models, which have used a three-foot configuration. While a tripod design can be somewhat stable, it’s inherently more susceptible to rocking and I’m not a fan. If having 3 feet instead of 4 is beneficial to sound in any way, then I guess it’s fine - but here they went with 4, which’s of course better for stability.

Each foot incorporates a rubber or silicone insert - you get some extra in the box, in case you lose them, as they are friction-fitted. This material is crucial for several reasons. First, it provides excellent grip. This prevents the DAC from sliding around on your shelf or stand, even if it’s a slightly polished or smooth surface. This is particularly important when connecting or disconnecting cables, as you don’t want the unit shifting around and sliding away from you.

The last important element on the bottom is the voltage selector. They make universal devices that work all around the world with just a switch of… a switch.

Inputs & Outputs

First, we have the USB input - this is probably the most common way to connect a computer or laptop. It supports high-resolutionA system's ability to retrieve and reproduce fine detail in the recording; high resolution reveals micro-dynamics, spatial cues, and timbral nuance. audio formats and is generally plug-and-play with most operating systems.

Next is the Coaxial input. This uses a standard RCA connector and transmits digital audio via an electrical signal. It’s a common connection for CD transports, DVD players, and other digital audio sources.

We also have the Optical input, also known as TOSLINKAn optical S/PDIF digital audio interface using a plastic fibre and a red LED, common on TVs, soundbars, and consumer DACs. Limited to 24-bit/96kHz stereo PCM in practice; longer runs need glass fibre for stability.. This uses light to transmit the digital signal. It’s often used for connecting TVs and gaming consoles.

What’s interesting though, the Enyo 15th includes an I²SInter-IC Sound - a digital audio interface standard using separate lines for data, bit clock, and word clock. Used inside DACs natively; some high-end DACs expose I²S via HDMI for connection to dedicated transports. input. This is a digital connection that separates the clock and data signals, resulting in potentially lower jitterTiming irregularities in the digital audio clock that cause correlated noise sidebands, audible as a subtle smearing or loss of focus. and improved sound quality compared to other digital inputs. I²S is the best digital connection, but it’s important to note that it’s not standardized, so you’ll have to mess with the pinout modes, but you absolutely can do that to match your source and make it work.

Finally, we have single-endedAn amplifier configuration using one output device for the complete audio waveform; produces even-order harmonic distortion considered "euphonic" by many. RCA outputs and balancedA signal transmission method using two opposite-polarity signal lines plus a ground; noise induced on both lines is cancelled at the differential input. XLRA professional locking audio connector with three pins: ground, positive signal, and negative signal; the standard for balanced studio connections. outputs. Both are very high quality with those large, extended RCAs and Neutrik-branded XLRs.

Technologies

This DAC isn’t just about high-quality components - it’s about the specific design choices that Denafrips has made.

The heart of the Enyo 15th is its true balanced R-2RA DAC architecture using a resistor ladder network with only two resistance values, often associated with a more "natural" tonal character than delta-sigma designs. ladder DAC design. This is a fundamentally different approach to digital-to-analog conversion compared to more common delta-sigma DACs. R-2R DACs use a network of precisely matched resistors to convert digital signals into analog. Each resistor in the ‘ladder’ network represents a binary bit, and the combination of these resistors creates a precise analog voltage. This architecture is known for its natural, analog-like sound, which is smoother and more musicalA subjective quality where a system seems to convey the emotional content of music effectively, often (though not always) involving some euphonic coloration. than delta-sigma designs.

The Enyo 15th also offers selectable oversamplingProcessing audio at a multiple of the original sample rate before conversion, improving noise performance and relaxing the requirements on the analog output filter. (OS) and non-oversampling (NOS) modes, as well as slow and sharp filter options. Oversampling increases the sampling rate of the digital signal before conversion, which can help reduce aliasing artifacts. NOS mode, on the other hand, performs the conversion without oversampling, which only R2R DACs can do, resulting in more ‘raw’, warm, and direct sound. The slow and sharp filters further allow you to fine-tune the sound to your preferences and system synergy.

The power supply is the foundation of any audio device, and a high-quality transformer is essential for delivering clean and stable power to the sensitive circuitry. Denafrips has chosen to use a 60VA O-Core transformer, and there’s a good reason for that. O-Core transformers have a unique shape that minimizes electromagnetic interference (EMI) and electromagnetic fields (EMF). This is crucial in audio equipment because these types of interference can introduce unwanted noise into the audio signal.

As this is the 15th-anniversary edition, Denafrips has also implemented several key upgrades, including a fuse upgrade, circuit optimization, and the use of upgraded decoupling and custom capacitors. These enhancements further refine the performance and contribute to the improved sound quality compared to the standard Enyo.

Technical Specifications

While technical specs don’t always tell the whole story, they do provide some valuable insights into the DAC’s capabilities. The Enyo 15th uses a true balanced 24-bit R-2R ladder DAC design with 6-bit DSDDirect Stream Digital - a 1-bit, high-sample-rate audio format used on SACD, encoding audio through rapid single-bit switching rather than multi-bit PCM words. processing. This ladder utilizes low thermal effect, high-precision hand-matched 0.01% tolerance resistors. That’s crucial for the accuracy and linearity of the R-2R conversion process.

In terms of digital format support, it handles DSD up to DSD1024 and PCMPulse-Code Modulation - the standard digital audio format, encoding amplitude as binary integers at fixed time intervals (e.g., 16-bit/44.1kHz for CD). up to 1536kHz, specifically through the I²S and USB inputs - it means that you can use the NOS mode and have lots of fun with upsamplingConverting audio from its native sample rate to a higher rate, either in the DAC chip or in software, using a mathematical interpolation algorithm. your files using HQPlayer.

The analog outputs offer 2.0Vrms on RCA and 4.0Vrms on XLR, with output impedances of 625Ω and 1250Ω, respectively. These output levels are standard for most audio equipment.

Finally, we have some key performance metrics: a signal-to-noise ratio of 115dB, a dynamic rangeThe decibel span between a system's maximum undistorted output and its noise floor; 16-bit audio has ~96dB, 24-bit has ~144dB of theoretical range. greater than 119dB, and a stereo crosstalkLeakage of signal from one channel to the other; in headphones, some deliberate crossfeed is beneficial, but unintentional crosstalk reduces stereo separation. of -124dB. It’s not a measurement monster, but for a budget R2R DAC it does amazing.

Sound Quality

Now, for the most important part: how does it sound? If it’s so cheap, so well built, so good measuring, it must sound trash, right? But no - this is where the magic happens, and I have to say, I’m absolutely in love with this DAC. It’s truly a special listening experience.

From the very first notes, what strikes you is the naturalness and musicality of the sound. It doesn’t sound digital or sterile like some chip-based DACs can. Instead, it presents music with a sense of warmthA subjective description of elevated bass and lower-midrange energy giving a sense of fullness; can be a tonally accurate or an artificial coloration., texture, and realism that’s incredibly engaging. It’s almost like the musicians are right there in the room with you.

Let’s start with the bass, as that’s what it truly shines at - if I had to pick one thing I love about it, it’d be just that. The Enyo delivers bass with remarkable extension and control. It digs deep, reaching down into the sub-frequency rumbles with authorityA system's ability to maintain control of the bass under demanding passages without compression, congestion, or loss of articulation. High-authority bass keeps the kick drum distinct from the bass guitar even at concert levels.. You can feel the bass, not just hear it. But it’s not just about quantity - it’s about quality. The bass is tight, defined, and textured, with very little bloat and no muddiness. It provides a solid foundation for the music without overpowering the other frequencies. It’s not as clean as some other gear, but some like it dirty and rough - even I do!

The midrangeThe frequency range from approximately 250Hz to 5kHz where most musical information, vocals, and instrument fundamentals reside., where vocals and many instruments reside, is simply stunning. Vocals sound incredibly natural and lifelike, with a palpable sense of presence and emotion. Instruments like guitars, pianos, and saxophones have a rich, organic tone that’s incredibly pleasing to the ear. There’s a level of detail and nuance in the midrange that I haven’t heard from many other DACs.

Soundstage and Imaging

The soundstageThe perceived three-dimensional acoustic space in a stereo recording - width beyond the speakers, depth front-to-back, and sometimes height information. is another area where the Enyo 15th excels. It creates a wide and spacious soundstage, extending well beyond the boundaries of the speakers. Instruments are placed precisely within this soundstage, with a clear sense of separation and airThe sense of spaciousness and extension above 10kHz; "airy" recordings reveal the acoustic space of the venue, and "airy" headphones resolve that space accurately. between them. This creates a truly immersive and three-dimensional listening experience.

And that’s the real deal - having a resistor ladder, rather than some tiny chip, helps A TON. I’d go as far as to say that you can’t have good depth and seriously good width on any chip-based electronics. It truly adds a layer of depth and dimensionality to the music, while it’s rather shallow, it’s not 2D. You can hear the layers of instruments and vocals, and it creates a much more realistic and engaging presentation.

It’s hard to put into words just how much I enjoy listening to music through the Enyo 15th. It’s a DAC that connects you with the music on an emotional level. It’s not just about technicalities - it’s about the feeling, the emotion, the connection. It’s a DAC that I can listen to for hours on end without fatigue, simply lost in the music.

Is It Worth It?

So, the big question: is the Denafrips Enyo 15th worth it? In my opinion, absolutely. This DAC offers a truly exceptional listening experience, combining a natural and musical sound signature with solid build quality and a comprehensive feature set. For my system, and for my personal preferences, I would choose the Enyo 15th over any delta-sigma DAC, any day of the week.

Sound signature, at a glance

How it sounds, by the numbers we use.

Auto-derived from the words used across the full review. The dot's distance from centre reflects how strongly the language pulls in that direction - a centred dot means balanced, an off-axis dot means the character genuinely leans that way.

  • Warm Bright

    Sits close to the middle.

  • Relaxed Analytical

    Sits close to the middle.

  • Polite Aggressive

    Sits close to the middle.

  • Lean Bass-heavy

    Sits close to the middle.

  • Intimate Wide stage

    Leans wide stage.

Watch the full review