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The silver AKR02 Balanced Armature Earphones from Astell&Kern are designed to provide accurate audio playback with accentuated bass content. The balanced armature drivers, designed by Final Audio Design, feature a stainless-steel housing assembled one by one by an engineer using a microscope to assure accuracy. Their 3.9-foot oxygen-free copper cable is detachable from the drivers, allowing for replacement. A custom Italian leather case is included.
Balancing Air Movement
With Final Audio Design's proprietary BAM technology, the depth and three-dimensional sense of space of the audio can be conveyed. The principles of Dynamic Drivers, combined with the characteristics of Balanced Armature drivers represents the technique of the Balancing Air Movement (BAM).
The advantage of FAD's BA unit comes from its small size and high efficiency.
FAD's BA units are developed and fixed in a stainless-steel housing,
while maintaining a clear range in the high frequencies and overcoming
the deficiencies of low frequencies that can be found in BA units. Typical BA units are generally mounted against the ear, sealing the unit and preventing airflow. Commissioned in the original development of the AKR02, an integrated air hole allows airflow to the BA unit. The air hole added between the BA unit and the stainless-steel housing unit adjusts the internal airflow to the BA unit, which maximizes bass tones and overcomes the weakness of low-frequency response found in many BA driver units
Removable Oxygen-Free Copper Cable and Connectors
BAM technology maximizes its benefits by matching it with oxygen-free copper cables.
Since the cables of AKR02 are detachable, it's easy to replace the cable if needed.
Cables typically use copper as its main ingredient. When oxygen atoms are mixed with the copper,
it can hinder the smooth flow of electricity. High-purity copper has a purity rating of 99.36%,
the remaining 0.64% is residual oxygen. By reducing the residual oxygen content to 0.001%,
the oxygen-free copper has a purity of 99.99%, which allows electricity to flow more smoothly, producing cleaner sound
Each AKR02 includes a leather case.
Your AKR02 are safely protected in this Italian leather case lined
with soft Chamude fabric. The leather case easily opens from
the front and unfolds completely for additional convenience.
Each leather case is marked with a unique serial number
on a metal plate on the Chamude fabric, inside of the
carrying case. The unique serial number insures each
AKR02 and leather case are custom designed and
personalized for each owner