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Dan Clark Audio (MrSpeakers) AEON 2 Open-back

Over-ear planar magnetic headphones (3.5mm connector with 1/4" adapter)

Item # 724AENFL2O

The Dan Clark Audio Aeon 2 is the sequel to one of my all-time favorite set of headphones...

The Dan Clark Audio Aeon 2 is the sequel to one of my all-time favorite set of headphones...

Item # 724AENFL2O

Temporarily out of stock

Ship date unknown


About the Dan Clark Audio (MrSpeakers) AEON 2 Open-back

Update — and upgrade — to an underground classic

The Dan Clark Audio Aeon 2 is the sequel to one of my all-time favorite set of headphones from MrSpeakers. That well-respected audiophile headphone company out of San Diego, recently became "Dan Clark Audio" — named after its founder and chief designer. To mark the occasion, Dan created these headphones.

Update — and upgrade — to an underground classic

The Dan Clark Audio Aeon 2 is the sequel to one of my all-time favorite set of headphones from MrSpeakers. That well-respected audiophile headphone company out of San Diego, recently became "Dan Clark Audio" — named after its founder and chief designer. To mark the occasion, Dan created these headphones.

Like those original Aeon headphones, the Aeon 2s perform as well as some headphones that cost three times as much. But a new portable folding design and a completely redesigned driver system make these lightweight planars even better than their predecessor. (Dan flipped the driver structure 180 degrees to keep the magnet out of the sound path to your ear — improving the airflow.)

My early listening impressions: open-back vs. closed-back

I've briefly listened to both the open-back and closed-back version of the Aeon 2 headphones. Both offer a spacious soundstage with tremendous depth and sense of place. If you're choosing between the two, they sound similar enough that I would base the decision on how and where you plan on listening.

The closed-back version offers more listening privacy, so it works better in more places. But I prefer the sound of the open-backs if you mainly listen at home or in a room where you won't disturb others. There is a little extra airiness around the vocals and instruments that gives everything a more textured feel. The bass also sounded fuller and tighter through the open-back Aeon 2s — which might seem counterintuitive.


Product highlights:

  • open-air design for natural, transparent sound
  • collapsible folding design for easy storage
  • planar magnetic drivers offer enhanced dynamics and rich, detailed sound
  • tuned for warm, full tone with clear
    • substantially large soundstage for an "outside-the-head" listening experience
  • designed, built, and tested in San Diego, CA
Driver Details:
  • updated driver structure flipped to keep magnet further from ear
    • powerful single-sided magnet for greater efficiency
    • large planar diaphragm starts and stops quickly for clear, articulate sound
  • built-in TrueFlow™ technology helps reduces turbulence of air moving through the driver
    • enhances dynamics and extends frequency response
  • a separate headphone amplifier is required to properly power these headphones for optimum sound quality
Build Quality:
  • durable metal frame
  • earcups made of lightweight carbon fiber and hard plastic
  • thick "D-shaped" memory-foam earpads lined with soft synthetic protein
  • super-light, flexible NiTinol "memory metal" headband for easy fit
  • leather headband lining with dual slider for easy adjustment
  • feels lighter on head than most over-ear planar magnetic headphones
General Info and Specs:
  • 6-foot detachable, fabric-covered cable with a 3.5mm miniplug
  • screw-on 1/4" adapter
  • special sound tuning inserts for three levels of acoustic damping
  • micro-fiber cleaning cloth
  • hard-shell carrying case
  • sensitivity: 94 dB
  • impedance: 13 ohms
  • weight: 11.32 ounces
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # AOX001-1

What's in the box:

  • Over-ear open back headphones
  • 77" Audio cable (3.5mm plug)
  • Screw-on 3.5mm-to-1/4" adapter (installed)
  • 3 Pairs of tuning pad inserts
  • Cleaning cloth
  • Quick User Guide
  • Certificate of Authenticity

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More details on the Dan Clark Audio (MrSpeakers) AEON 2 Open-back

Mark G.

Features & specs

Fit Style Over-the-ear
Earcup Type Open
Earcup Width x Height 3.365" x 4.742"
Noise-canceling No
Bluetooth No
Mic For Taking Calls No
Voice Assistant Access
Amazon Alexa No
Google Assistant No
Siri No
3.5mm Yes
1/4" Yes
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Frequency Response Not Given
Sensitivity 94 dB
Impedance 13 Ohms
Weight 11.32 ounces
Cord Length 77"
Parts Warranty 2 Years
Labor Warranty 2 Years
The Dan Clark Audio (MrSpeakers) AEON 2 Open-back replaces these items:

Product Research


Overview: The Dan Clark Audio (formerly Mr. Speakers) ÆON Flow 2 (Open Version) is an over-ear planar magnetic headphone. Its open-back design lets in external sounds to simulate listening to a pair of speakers in a room. These audiophile-grade headphones feature a new updated driver, and a new folding design for storing them in a compact hard-shell case. The headphones are manufactured in the U.S. (San Diego), and come with a 77" fabric-covered cable (3.5mm plug with 1/4" adapter).

Note: The ÆON Flow 2 Closed is also available for those who wish to keep out ambient sounds, so you can hear more of your music and less of your environment.

Planar Magnetic Drivers: The ÆON Flow 2 uses new 62mm x 34mm single-ended planar magnetic drivers which deliver much better performance over standard dynamic drivers. The drivers are matched to +/- 15dB between 30 and 5000 Hz. The driver is flipped 180 degrees, with no motor structures between the driver and the ear. The new drivers provide higher resolution and a much larger soundstage.

Tuning: The ÆON Flow 2 headphones come with tuning materials to let you customize the sound of your headphones. Three pairs of pads are provided for inserting in the ear wells of the headphones. It is recommended that, instead of going back and forth, you should listen to each option over an extended time to fully understand the differences. The tuning pads are as follows:

  • Black Foam: This black foam ear pad is the most porous and provides the least amount of damping. The foam pads increase the upper bass output and tone down the highs a bit.
  • Black Felt 1-notch: The black felt ear pads with a single identifying notch provide a medium amount of damping.
  • White Felt 2-notch: The white felt ear pads with dual notches have the most amount of damping of the three sets of pads.

Construction: The ÆON Flow 2 headphones features genuine carbon fiber ear cups to house the 62mm x 34mm (2.44" x 1.34") planar magnetic drivers. Two thin NiTinol memory metal bands hold the ear cups together, and provides the right amount of pressure on the head. NiTinol is a Nickel Titanium metal alloy that returns to its original shape, even after being severely bent. The soft dyed leather headband lies softly on the top of the head while the synthetic protein covered foam ear pads provide a good seal. The outer portion of the earcups features a window showing the carbon fiber weave pattern, framed in deep red metallic paint with black anodizing.

Ear Pads: The soft memory foam ear pads provide comfort for extended listening sessions. The inside D-shaped cutouts for your ears are spacious (1-5/8" wide x 3-1/8" high), and angled for a more secure and comfortable fit.

DUMMER Cable: The Dan Clark Audio ÆON Flow 2 comes with the 77" detachable DUMMER (Distinctly Un-Magical) cable, which features a 3.5mm plug with a screw-on 1/4" adapter. The fabric-covered Y-type cable features 4-pin connectors on the headphone end. Upgraded premium VIVO cables are an option (directly from the manufacturer) with your choice of balanced or unbalanced terminals.

Collapsing Gimbal: The headphones feature a new collapsing gimbal suspension lets you fold each earcup inside of the headband, so you can store them in the supplied case.

Storage Case: The headphones come with a black molded, hard-side, clam-shell case for storing your headphones (with the cables removed). The case has a 3-sided zippered closure.

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