AudioQuest DragonFly Cobalt

Portable Digital-to-Analog Converter & USB DAC/Headphone Amp w/ MQA for Apple & Android Devices

Item #AQ:DRAGONFLYCOB
AudioQuest Item # DRAGONFLYCOB

AudioQuest DragonFly Cobalt

Portable Digital-to-Analog Converter & USB DAC/Headphone Amp w/ MQA for Apple & Android Devices

Special Price $199.95 Regular Price $349.95
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Overview

DragonFly Cobalt is a portable, plug-and-play USB DAC (digital-to-analog converter), preamp, and headphone amp that connects to laptops, tablets, and smartphones to deliver clean, clear, naturally beautiful sound to headphones, powered speakers, or complete audio systems. Plays all file formats. Compatible with Mac and Window computers, Android and iOS devices. 

Cobalt is the smallest DragonFly in the family, and yet it packs the most high-end components inside. 

Cobalt will completely transform your computer audio experience on-the-go. It offers the most natural and immersive holographic sound of all the DragonFlys. The difference you’ll hear will make you want to play all your favorite songs just to hear them like it’s the very first time. Cobalt is the best sounding little bug yet! 

High Notes

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Gordon Rankin Design

Designed by who many people consider the “Godfather” of USB DACs, Gordon Rankin brings his years of digital experience to the DragonFly Cobalt.

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Transform Your Computer Audio Experience

The difference you will hear on a good set of headphones or speakers between your computer headphone out and the DragonFly Cobalt will make you want to start playing all your favorite songs to hear them for the first time.

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High-End Components in a Tiny Package

Hats off to AudioQuest for not compromising and putting audiophile level components in the tiny DragonFly Cobalt package. A remarkable achievement!

Company & Product Overview

At Audio Advice, we have been fans of AudioQuest products for almost 40 years. Bill Low, the founder of AudioQuest, is a huge music lover who constantly pushes the AudioQuest team to innovate to improve sound. As a very successful company, AudioQuest has a decent-sized sales force tasked with traveling around the country to see their dealers and attend consumer shows.

When computer music started to become popular, their team, who is also made of up hardcore music lovers, stored lots of music on their computers but did not have an easy way to get better sound while on the go. You certainly don’t want to carry around home components when traveling. AudioQuest felt something tiny that could improve computer audio sound would fill a huge void in the audio market. This is actually what led to the creation of the original AudioQuest DragonFly in 2012.

The DragonFly is a small and portable audio component that connects directly to a USB port. It serves as a Digital to Analog Converter (DAC), headphone amp, and a preamp. It won Stereophile's 2012 "Computer Audio Component of the Year" and 2012 "Budget Component of the Year;" Tone Audio's 2012 "Digital Product of the Year;” Computer Audiophile's 2012 "Computer Audiophile Product of the Year." That was quite a feat, but the tiny but powerful DragonFly certainly deserved it! The original DragonFly was replaced with a DragonFly Black and DragonFly Red.

The AudioQuest DragonFly Cobalt, featured in today's review, is the latest addition to the DragonFly family and promises to be the best sounding little bug yet!

Design & Build Quality

If you are not familiar with the DragonFly family, the units look like a slightly oversized USB stick. They have a male USB connection that plugs directly into your computer or with an adapter to connect to your smartphone or tablet. They are powered off the USB connection so there is no need for a power cord. On the other end is a mini-plug output that allows you to connect up to a pair of headphones or with a cable, plugs into an audio system or powered speakers.

Inside the DragonFly is a USB DAC that bypasses the DAC in your computer or phone while greatly improving the sound. The output of the DragonFly is also far more powerful than the headphone jack on a computer or phone which helps your headphones really come to life. This tiny package will give you a remarkable improvement over the sound coming directly out of your laptop or smartphone.

While the parts inside the Cobalt come in from all over the world, all DragonFlys are assembled in the United States at an AudioQuest facility in Ohio.

The build quality of the DragonFly family has improved with each new version and we have to say the latest Cobalt model appears to be even better. It’s slightly smaller than the previous models by about 10% making it even more friendly for your pocket or laptop bag. The Cobalt’s blue sparkly automotive finish is very sharp looking and we love the way the little DragonFly logo changes color while plugged in to show you the status of the unit.

Close up of Audioquest DragonFly Cobalt USB DAC connected to a smartphone.

Features & Technology

When AudioQuest set out to make the original DragonFly, they worked with Gordon Rankin on the design. Gordon is the founder of Wavelength Audio, the first company to improve computer audio with his USB DACs. Gordon is a brilliant designer of digital audio and is considered by many to be the inventor of asynchronous USB. Every one of the DragonFly models has featured his designs and he was up to the challenge with a slightly higher budget to make the new Cobalt even better than previous models.

For a side-by-side comparison of all the models in the DragonFly family, watch our DragonFly DAC Comparison.

Both the AudioQuest DragonFly Red and AudioQuest DragonFly Cobalt feature a very powerful headphone amplifier. Capable of 2.1 volts of output, it will drive any pair of headphones on the market with ease. Interestingly enough, 2 volts is the same output a CD player typically has which means you can connect the AudioQuest DragonFly Cobalt from your computer to an audio system and its output would match that of a CD player. Two volts are also plenty to drive any power amp, enabling you to use the Cobalt as a preamp into either a power amp or pair of powered speakers.

Having enough output checks off one box, but being able to control it with zero noise is an entirely different challenge. The Red and new Cobalt both use a bit-perfect digital volume control which has an extremely high signal-to-noise ratio (this means it’s quiet!). It also works seamlessly with both Apple and Android.

AudioQuest gives you one of their DragonTail adaptors with the Cobalt which makes connecting up to an Android USB-C connector super simple. For an Apple device, AudioQuest recommends a Lightning to USB 3 adapter.

The technology inside the Cobalt is simply amazing! Gordon and the AQ team have crammed in almost 200 components inside the tiny case. While the DragonFly Red was spectacular for its price point, the new Cobalt has several improvements over the Red.

First, the DAC chip used in the AudioQuest DragonFly Cobalt is the ESS ES9038Q2M DAC. This is a higher performance DAC than the Red and has a minimum-phase slow roll-off filter. Think smoother, more natural sound.

The processor is also improved. Not only is it 33% faster than the Red, but it has also reduced the current draw from the USB connection. AudioQuest also studied the noise from WiFi, Bluetooth, and cell phones that the DragonFly encountered while sitting very close to a cell phone or laptop. They found if they reduced this noise, the audio improved, so they decided to put more power supply filtering into the Cobalt to reduce noise.

In terms of audio file playback capability, the Cobalt can handle up to 24-bit 96Khz files and for MQA lovers, it is a full render.

The colors of the dragonfly logo will show the status of the unit. So, with just a glance, you can see what sample rate your little blue bug is streaming. The Cobalt's LED lights up with different colors indicating standby mode or sample rate: Red equals “standby-mode” — Green: 44.1Khz — Blue: 48Khz — Amber: 88.2Khz — Magenta: 96Khz. It’s that easy!

Close up shot of Audioquest DragonFly Black LED light changing difference colors to show sample rate.

The Cobalt uses Gordon Rankin’s StreamLength®asynchronous-transfer USB code. Rather than using multiple clocks, Cobalt uses his monoClock® technology. This ultra-low-jitter clock is generated from the ESS ES9038Q2M DAC chip and runs the ESS chip functions as well as all microcontroller functions. While that is a mouthful of tech, what your ears will hear is a big improvement in both clarity and resolution of low-level audio information getting you more involved in the music.

For audio geeks, technology is always fun to talk about, but the proof is in the listening. We had heard through the grapevine from a couple of people that had listened to the prototype that the Cobalt was spectacular which made us want our initial sample to get here sooner!

Both StreamLength & monoClock are registered trademarks of Wavelength Audio, ltd.

Close up of Audioquest DragonFly Cobalt USB DAC connected to a laptop.

Performance

We decided part of our testing should be comparing the AudioQuest DragonFly Cobalt to the DragonFly Red, and why not!

For most of our testing we used the Audeze LCD-3 headphone, the Audeze LCD-X, and on the more modest end the Grado Sr-225e. Ranging in price from just under $2000 a pair to just over $200 a pair, this gave us a wide range to test with. The LCD-3 is a bit hard to drive, but the other two are easy to drive. Our source was Tidal on a Windows PC. We immediately found the Cobalt had no issue at driving the LCD-3, at about 35% the volume was at what we would consider a high level.

We then set about listening to lots of different music and flipping between the Red and Cobalt. Some of the tracks we listened to were Tom Petty’s “Mary Jane’s Last Dance”; Keb’Mo’ has a great new album out called Oklahoma and we used the title track from it; another was Caroline Spence’s new album, Mint Condition where we used the track “Angels or Los Angeles”; and rounding out some classic rock, “You Can’t Always Get What You Want” from the Rolling Stones.

Our first listening was done on the Audeze LCD-3 and on the first few notes, we could tell the AudioQuest DragonFly Cobalt is really good. We tapped our toes all the way through “Mary Jane’s Last Dance”. Switching over to the DragonFly Red was very interesting. Every now and then you’ll hear a component that not only makes everything sound clearer but at the same time you get a lot more warmth and harmonic richness to the sound. It was like wiping away a layer of grunge off a window to see all the subtle colors of a beautiful sunrise. This is what the Cobalt did to the Red. Another aspect we noticed was improved rhythm and pacing on the Cobalt. We just got more into the music.

On both the Keb’Mo’ and Caroline Spence cuts, all of the instruments were separated much better, letting you pick one out and hear every nuance. We tested some deep bass passages and we feel they are very similar in their ability to produce very deep bass, although the Cobalt still sounded cleaner overall. The guitar on the Caroline Spence cut was just flat-out more harmonic and much richer sounding. This AudioQuest DragonFly Cobalt DAC is really good!

We thought when we went to the $225 Grado SR225e, we would not be able to tell as big a difference, but were proven wrong. We compared the song “Angels or Los Angeles” and immediately heard an improvement over the DragonFly Red. Much better separation and harmonic details. Same with the LCD-X. We heard big differences every time we switched between the two.

After a couple of hours of listening, we have to give Gordon Rankin and the AudioQuest team a big round of applause for coming up with such a great product as the DragonFly Cobalt!

If you own a DragonFly Red and have a decent set of headphones or a good system you are running it through, you might want to find a friend who needs a good portable DAC and upgrade your DAC to the new Cobalt.

AudioQuest is also sweetening the deal on the first 10,000 Cobalts sold. They will come packaged with vouchers for trial subscriptions to some great music-streaming services – two months in the case of Tidal and one month of Qobuz.

Want to know more about upgrading your computer audio setup for even less? Watch our DragonFly DAC Comparison where we compare the other USB DACs in the DragonFly family. We think the flagship model, Cobalt, sounds the most beautiful, but for less than $100, you will feel really good about getting the entry-level DragonFly Black or mid-level DragonFly Red.

Overall Recommendation

The AudioQuest DragonFly Cobalt is a very special portable or at-home DAC for only $299. If you have a DragonFly Red or Black or the original DragonFly, you will love the improvements, especially if your headphones or system are of decent quality. Don’t get us wrong though, the Red and Black are great products, but it's like we said earlier, once you hear the difference, it's hard to go back.

Details & Specs

Beautiful Sound from Any Mobile Device or Computer

Being able to enjoy music and videos on smartphones, tablets, and computers is now delightfully universal.

Unfortunately, the Digital-to-Analog Converters (DAC) inside these devices offer minimal performance, even when the sample-rate numbers (24/192, etc.) look impressive. Built-in DACs do the job but don’t give you nearly the clarity, dynamics, and sensuality that’s hiding in the digital file.

Whether using a free streaming service, premium HighResolution or MQA-encoded streaming (such as Tidal Masters) or playing your own MP3 files or videos — whatever you listen to or watch — all DragonFlys make the experience much more compelling and immersive.

And now DragonFly Cobalt, with its best-ever processor, headphone amp, and microcontroller, provides even greater clarity, dynamics, and finesse than previously possible.

Whether plugged into an Apple® or Windows® computer, or connected to an iOS® or Android® mobile device, DragonFly delivers beautiful sound to earbuds, headphones, desktop speakers, or complete audio systems, letting you hear all the emotional expression and nuance that makes your favorite music and movies so enjoyable.

Hint: For even more natural sound, put an AudioQuest JitterBug between your music and your DragonFly.

Capabilities:

  • Plays all music files: MP3 to High-Res and MQA - Compatible with Apple® and Windows® PCs
  • Compatible with iOS devices (requires Apple Camera Adapter/Connection Kit)
  • Compatible with Android devices (requires DragonTail or other USB Adaptor for Android Devices)
  • Drives a wide range of low- to high-efficiency headphones n Volume control for powered speakers or power amp
  • Set volume to match other preamp or AV receiver sources
  • Dramatically Better Sound from MP3s, YouTube, Etc.
  • High-End Performance from High-Resolution and MQA & Masters Files
  • Best-ever DragonFly Processor, Headphone Amp, and Microcontroller
  • Bit-Perfect Variable Output Drives Headphones, Powered Speakers, or Power Amp
  • Includes DragonTail USB-C Adaptor

Specifications:

  • Sample rates supported, LED indicator color code: 44.1kHz (Green), 48kHz (Blue), 88.2kHz (Amber), 96kHz (Magenta), MQA (Purple)
  • Volume Control: 64-position, 64-bit, bit-perfect
  • Output voltage: 2.1vrms
  • Output impedance: 0.65 ohms

Important ingredients which explain some of Cobalt’s precedent-setting performance:

  • ESS ES9038Q2M DAC chip with a minimum-phase slow roll-off filter for the most natural detailed sound.
  • Microchip PIC32MX274 microprocessor reduces current draw and increases processing speed by 33% over DragonFlys Black and Red.
  • Improved power-supply filtering, specifically designed to reduce WiFi, Bluetooth, and cellular noise.
  • Includes a form-fitting DragonTail USB-C to USB-A adaptor. All DragonTails use AQ’s Carbon-level USB cable.

dragonfly spec sheet

*Both StreamLength and monoClock are registered trademarks of Wavelength Audio, ltd.

Features

  • Enclosure And Accessories:
    • Cobalt blue automotive finish with silver lettering
    • Protective endcap
    • Contoured enclosure
    • Leatherette travel pouch
    • DragonTail USB-C adaptor
  • Native Resolution: Up to 24-bit / 96kHz
  • Output: 2.1 volts
    Direct-coupled, high output: Enough power to easily drive the widest range of headphones. When used as a line-level device (volume set to 100%), DF Cobalt’s 2.1 volts provide enough power to drive all preamplifiers, integrated amplifiers, or receiver inputs.
  • Headphone Amp: ESS Sabre 9601
  • Microcontroller: Microchip PIC32MX274
    Same features as Red and Black, but reduces current draw and increases processing speed by 33%.
  • DAC Chip: ESS ES9038Q2M
    with a minimum-phase slow roll-off filter for more natural sound.
  • Volume Control: 64-Bit Bit-Perfect Digital Volume Control
  • Desktop/PC Compatibility: Yes
    • Apple OS 10.6.8 and later
    • Microsoft Windows 7 and later
    • Linux (no technical support provided)
  • Mobile Compatibility: Yes
    • Apple iOS 5 and later (requires Apple Camera Adapter; Lightning to USB 3 recommended)
    • Android 5.0 and later (requires micro-USB DragonTail, USB-C DragonTail, or other USB adaptors for Android devices)
  • MQA Rendering: Yes
  • Upgradable Firmware: Yes
  • Monoblock Technology: Yes
    In Gordon Rankin’s monoClock® technology, a single ultra-low-jitter clock generated from the ESS DAC chip runs the headphone amplifier, as well as all microcontroller functionalities, enabling DragonFly to produce greater resolution and clarity than DACs that employ multiple clocks.

Capabilities

  • Plays all music files: MP3 to MQA and High-Res
  • Compatible with Apple® and Windows® PCs
  • Compatible with iOS devices (requires Apple Camera Adapter/Connection Kit)
  • Compatible with Android devices (requires DragonTail or other USB Adaptor for Android Devices)
  • MQA Rendering
  • Drives headphones directly
  • Fixed output feeds preamp or AV receiver
  • Asynchronous transfer ensures digital timing integrity

Specifications

  • Sample rates supported (LED indicator color code): 44.1kHz (Green), 48kHz (Blue), 88.2kHz (Amber), 96kHz (Magenta), MQA (Purple)
  • Volume Control: Analog Volume Control (Black); 64-position, 64-bit, bit-perfect (Red, Cobalt)
  • Output voltage: 1.2 (Black); 2.1 (Red, Cobalt)
  • Headphone Amp: Texas Instruments TPA6130 (Black); ESS Sabre 9601 (Red, Cobalt)
  • DAC Chip: 32-bit ESS 9010 with minimum-phase fast roll-off filter (Black); 32-bit ESS 9016 with minimum-phase fast roll-off filter (Red); ESS ES9038Q2M with minimum-phase slow roll-off filter for more natural sound (Cobalt)
  • Microcontroller: Microchip PIC32MX (Black, Red); Microchip PIC32MX274 reduces current draw and increases processing speed by 33% over DragonFlys Black and Red (Cobalt)

Dimensions

  • Height: 0.47"
  • Width: 0.74"
  • Length: 2.24"

Weight

  • Shipping: 1 lb

Warranty Information

  • Manufacturer Warranty (authorized online retailer): One Year Parts and Labor
More Information
UPC 092592098398
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