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  • Single balanced armature, KG-926
  • Classic tube amp sound and unmatched bass performance
  • Milled aluminium housing
  • Tiny housing and patented oval ear tips
  • Three-button mic/remote for Apple devices
  • Tangle-resistant reference cabling


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Product Details

Technical Features

Utilising a single custom KG-926 balanced armature, X12i achieves full range response from a tiny form factor. Ported and vented, the balanced armature driver delivers classic tube amplifier sound and unmatched bass performance. With a warm and lush soundstage, the KG-926 delivers dynamics only rivaled by multi-armature counterparts.


With a milled aluminium chassis less than 6mm in diameter, the X12i is one of the smallest in-ear headphones on the planet. Aided by the use of aluminium, not only is the X12i incredibly durable, but it also becomes unnoticeable during wear due to its diminutive weight. Soft, flexible oval ear tips naturally fit the contours of the ear canal for comfortable, long-term wear and create a perfect acoustic seal for superior noise isolation. Featuring Reference cabling, the X12i shows exposed copper through a smoked jacket. Its heavy gauge wire is not only more reliable but also more efficient than its predecessors.

Other Functions

Advanced three button remote/mic provide seamless control of your iOS device while listening to music, watching movies and answering phone calls. With the new Reference X series, an even smaller, better microphone was created with the intention of clearer conversations, and a true hands-free microphone.

Driver  Full range KG-926 balanced armature 
Frequency Range  5Hz - 19kHz
Impedance 50 ohms @ 1kHz
Sensitivity 110dB @ 1mW
Noise Attenuation ~26dB 
Cable Tangle-resistant, heavy gauge wire
3.5mm jack 
Weight 15 grams
Compatible Devices           iOS devices

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