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Astell&Kern USB-C Dual DAC Cable

USB-C digital-to-analog converter

Item # 838USBCDAC

Astell&Kern's latest offering brings a lot of sonic prowess to the table in a lightweight, portable form factor.

Astell&Kern's latest offering brings a lot of sonic prowess to the table in a lightweight, portable form factor.

New

Item # 838USBCDAC

Ships free

Expected: 5/17/2021

$149.00

About the Astell&Kern USB-C Dual DAC Cable

A potent and portable audio companion

I got really excited when I heard Astell&Kern were dipping their toes into the world of digital-to-analog converters. The company has been making digital audio players since its founding in 2013. In that time, A&K's engineers have created a detailed, accurate signature sound that can be found across all their offerings, including this one.

A potent and portable audio companion

I got really excited when I heard Astell&Kern were dipping their toes into the world of digital-to-analog converters. The company has been making digital audio players since its founding in 2013. In that time, A&K's engineers have created a detailed, accurate signature sound that can be found across all their offerings, including this one.

The Dual DAC Cable makes a high-res experience truly portable with its compact size, two 32-bit digital-to-analog converter chips, custom-made cables and electronics, and a clean, powerful headphone amplifier. It's also an eye-catcher — it uses the same "light and shadow" design concept their digital audio players employ, with striking, smooth edges and a polished finish.

What makes it tick?

The twin Cirrus Logic CS43198 DAC chips inside are real workhorses. They independently process the left and right channels to keep soundstage spacious and detailed. Astell&Kern chose them because they deliver an efficient audiophile-grade sound, meaning they don't sacrifice a lot of your phone's battery life for performance. The chips have a warm sound that helps to give life and energy to the music pumping through them. A&K's engineers also tweaked the chips' digital-interpolation filters to get the sound just right.

A deeper look at what's inside

The company is a master of circuit design. You'll not only find the two DAC chips I mentioned on the small, six-layer PCB (printed circuit board), but also Astell&Kern-exclusive micro resistors and tantalum capacitors. Those help to optimize the audio circuit and suppress power fluctuations, giving you stable operation and superb sonic performance.

A durable, noise-killing cable

A DAC like this is only as good as its cable. A&K ran with that idea and made this DAC's cable top-shelf. The custom-made, durable, four-core cable was built to block out noise. The cable is made by wrapping thicker-than-usual silver-plated copper wire and regular copper wire around a Technora Aramid fiber center core. Afterwards, a separate shielding treatment is applied to the cable. Both of those steps keep the noise floor excitingly low while providing a rich sound.

Hook it up and enjoy

The Dual DAC Cable can tie into any device that uses a USB-C connection. Most Android™ smartphones have them nowadays, so if you're an Android user, you can take this DAC with you anywhere you go. If you'd rather use it as more of a stationary piece, you can plug it into your USB-C-equipped Windows® or Mac® computer and have it handle the audio conversion before it reaches your headphone rig or your stereo system.

Listening impressions

My testing session with the USB-C Dual DAC was in-depth. I wanted to get a good performance baseline before I ever hooked the Astell&Kern up, so I brought out a couple of other USB DACs I own. I pulled up my "audiophile listening" playlist on TIDAL, which consists of songs that are extremely well-recorded, and got to work. I started by listening to my Focal Elegias just plugged into my phone. I then moved onto the other two DACs I had before satisfyingly plugging the Astell&Kern in for the final test.

The first track I played on the Astell&Kern was "Bloodshot" by Albin Lee Meldau. The realistic sound I heard put a smile on my face. The subtle resonance of the guitar's body and the little string buzzes and slides that were interwoven with Meldau's soulful voice gave the track a new life. I could tell I was hearing details that my other DACs didn't bring out. Impressively enough, the soundstage was also wider than I was expecting, considering my Elegias are closed-back headphones. I had to hear more.

The next song on the list was "Ready or Not" by Fugees. It's a classic hip-hop track with female vocal harmonies, crisp snare hits, and some punchy bass. The Astell&Kern helped make the vocals come through more clearly and coherently, and sit better in the mix. There was a great deal of separation across the board, especially in the harmonies. The bass had some extra kick to it, too — it was clean, precise, and helped give the music some extra momentum.

Finishing things off, I played Devin Townsend's live rendition of "Deadhead." On the USB-C Dual DAC, it was one of the most captivating performances I'd ever heard. His acoustic/electric guitar sounded fantastic, especially considering all the odd chords Devin likes to play. I got a good sense of how large of a venue he was playing in, and I could feel the crowd's energy reverberating through it. The thing that impressed me the most is how textured Devin's voice was, particularly in his higher register. There was so much emotion and pent-up angst, which my other DACs didn't quite manage to get across. The Astell&Kern made me feel like I was listening to the song for the first time all over again (goosebumps included).

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Product highlights:

  • twin Cirrus Logic CS43198 MasterHIFI™ 32-bit digital-to-analog converter chips
  • supports any headphones or earbuds with a 3.5mm connector
  • uses Astell&Kern-specific micro resistors and tantalum capacitors to suppress power fluctuations
  • works with most USB-C devices, including Android smartphones and Windows and Mac computers
  • custom 4-core cable helps to block out external noise
    • silver-plated copper is wrapped around copper wire in a spiral form around a center core made of Technora Aramid fiber
    • separate shielding treatment is applied to the cable to block distortion and noise from the playback device
  • supported sample rates:
    • PCM: up to 32-bit/384kHz
    • DSD: up to 11.2 MHz
Other specs:
  • zinc alloy chassis
  • 2-volt RMS output
  • frequency response: 20-20,000 Hz
  • signal-to-noise ratio: 118dB
  • total harmonic distortion: 0.0004% @ 1kHz
  • output impedance: 2 ohms
Dimensions and warranty:
  • 3.5mm headphone module:7/16"W x 3/4"H x 5/16" D
  • USB plug: 5/8"W x 1-15/16"H x 7/16" D
  • weight: 0.05 lbs.
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 3PEE510C-CMTIN1

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