Layla AION _by Jerry Harvey

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Layla AION IEM Headphones

In Stock

The Layla AION Universal fit IEMs plus Astell&Kern Playback allows you to hear the music how th… More details

Layla AION _by Jerry Harvey

1 2
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The Layla AION Universal fit IEMs plus Astell&Kern Playback allows you to hear the music how the Recording Artist and Mix Engineer intended.

Layla AION Technology

The first Layla launched as a custom earphone in 2014 and instantly became known as the audiophile "holy grail." Since then, there have been two limited-edition releases of universal fit Layla, "Carbon Fiber Edition," and "Full Metal Jacket." Each generation stunned the market as industry's first full Carbon Fiber earphone and then the first full Titanium earphone available. The newest and third generation is the most exciting yet: Layla AION.

Exploded view of Astell n Kern Layla IEMsExploded view of Astell n Kern Layla IEMs


  1. 7-Pin Locking Cable Connector
  2. Acoustic Sound Chamber
  3. Machined Carbon Fiber Shell
  4. Sonic Tube Chassis Featuring freqPhase
  5. soundrIVe Technology

Powered by soundrIVe™

12 Drivers per side: Quad Low, Quad Mid, and Quad High Proprietary Balanced Armatures.

Sonic Tube Chassis™

3D printed chambers house the 12 driver configuration and implement freqphase technology, allowing for a smaller shell design without compromising on sound quality.


Patented technology ensures the correct phase and time alignment of all frequencies, resulting in the most accurate music reproduction of any earphone available.

Acoustic Sound Chamber™

Recessed tube system keeps sweat away and alleviates the need for excessive cleaning.

Machined Carbon Fiber Shell

Each Layla AION begins as a carbon fiber block formed by compressing hundreds of layers of resin-infused carbon fiber fabric. After undergoing an initial machining process, and then a secondary hand shaping process, Layla AION is precision tuned using state-of-the-art equipment and assembled by hand.
A striking faceplate design of red and black Pearloid with oversized chrome logos makes Layla AION one of the most visually appealing universal fit earphones yet.

Pearloid face of the Layla AION IEMsPearloid face of the Layla AION IEMs
7 pin connection on the Layla AION IEMs7 pin connection on the Layla AION IEMs

Silver-Plated OFC Litz Wire Cable with 7-pin Connector

Astell&Kern's strongest, lightest, most durable cable yet. High purity OFC 4N Silver-plated cable with German-made, military-grade, iridium connector, designed to create a tight grip at connection, while easing insertion and removal.
A built-in O-ring keeps the connection between the cable and earpiece sweat proof. This robust cable will not oxidize and features upgraded memory wire around the ear.

Handcrafted Earphones Made in the USA

Layla AION universal fit earphones are manufactured in Orlando, Florida by the same talented engineers and technicians responsible for producing Jerry Harvey Audio's line of custom earphones, seen in thousands of ears and on professional stages around the world.

detailed views of the construction processdetailed views of the construction process
Astell n Kern Layla AION IEMs with accessoriesAstell n Kern Layla AION IEMs with accessories

What’s in the box?

  • Layla AION in-ear monitors x 1
  • Silver-plated OFC Litz Wire (2.5mm 4-pole balanced) cable x 1
  • 2.5mm to 3.5mm silver-plated OFC Litz Wire cable adapter x 1
  • 3 pairs of silicone eartips
  • 3 pairs of Comply™ eartips
  • Wax tool x 1
  • Jeweler's screwdriver x 1
  • Owners manual x 1
  • Machined aluminum and carbon fiber carrying case x 1

Press and Reviews

Major HiFi Review
Major HiFi

by Carroll Moore
Sep. 2019

General Features

Layla AION
Universal fit IEM
Driver Unit
Custom-made Proprietary Balanced Armature Drivers [12BA per side]
Frequency Response
10Hz to 23kHz
Input Sensitivity
117dB @ 1mW
20 ohm



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