Description
Astell&Kern XIO
The Astell&Kern XIO are a high-end multi-driver IEM, handcrafted by 64 Audio in the USA. Designed and tuned in collaboration with Astell&Kern using the finest materials and advanced manufacturing precision.
XIO is the culmination of Astell&Kern and 64Audio’s shared philosophy on design and sound. Blending precision engineering with artistic sensibility, XIO goes beyond simply playing music. It shapes sound into a tangible experience, offering value that surpasses expectations.
Designed as a true object of art, Astell&Kern X1O sets a new standard for high-end in-ear monitors—an uncompromising fusion of aesthetics and acoustics that redefines what’s possible.
Designed as a singular object, XIO sets a new standard for high-end in-ear monitors through its uncompromising approach to both aesthetics and acoustics.
Engineered for Precision
XIO is meticulously engineered both inside and out. Its advanced hybrid system, featuring ten high-performance drivers, is finely tuned with a 4-way passive crossover to ensure every frequency is in perfect harmony, this precise tuning delivers a realistic sense of depth and a rich, spacious sound-stage.
10-Drivers Hybrid System
- tiaⓇ waveguide
The tia Ⓡ driver is designed with a direct-radiating structure that eliminates the traditional sound tube, enhancing the delicacy of high frequencies. This design minimizes damping and distortion, while the precisely positioned driver, together with a custom waveguide system, delivers a deep sense of space and airy, detailed highs.
- BA Driver Manifold Assembly
The mid and upper-mid frequencies are powered by six and one balanced armature drivers, respectively, delivering smooth transitions and rich texture. Vocals, instruments, and their unique harmonic details are rendered warm and clear, creating a natural and well-balanced sense of space within the sound-stage.
- TRUE ISOBARIC Dual Dynamic Driver
The TRUE ISOBARIC structure features two dynamic drivers perfectly synchronized within an acoustically neutral coupling chamber, enabling precise control. This design delivers bass with exceptional depth and density, as well as powerful sound impact—surpassing what is typically possible with conventional IEMs.
Stainless Steel Shell
The exterior of XIO goes beyond that of a typical IEM, standing out as an “audio art piece” that satisfies both visual and tactile senses.
Its robust structure is crafted by precisely machining 904L stainless steel—a material harder and more challenging to work with than standard stainless steel—and is then finished with a luxurious black DLC (Diamond-Like Carbon) coating for an exceptional premium texture.
The face-plate exhibits Astell&Kern’s design heritage, projecting a three-dimensional and elegant presence through deep shading and delicate reflections.
Silver Plated UP-OCC Copper Litz Cable
This dedicated cable, specially crafted for XIO, is designed to achieve perfect aesthetic harmony with the earbuds.
The four-core cross-braided cable is made from silver-plated, single-crystal copper (UP-OCC), offering outstanding noise shielding and transparent signal transmission a low impedance of just 0.29Ω maximises electrical efficiency.
Components
· XIO Universal In-Ear Monitors
· 64 Audio Premium Leather Case
· TrueFidelity Foam Ear Tips (S,M,L)
· SpinFit Silicone Ear Tips (S,M,L)
· Silicone Ear Tips (S,M,L)
· Cleaning Tool
· Cleaning Cloth
· Cable Clip
· 4.4mm Silver Plated UP-OCC Copper Litz Cable
· Apex Modules: m20 (Silver)
Special m15 (904L Stainless steel with DLC Coating) m12 (Gold), mX (Black)
General Specifications
- Model XIO
- Driver 2 Low DD – 6 Mid BA – 1 High-Mid BA – 1 tia High BA
- Cable 0.78mm 2-pin, 4.4mm Silver Plated UP-OCC Copper Litz Cable
- Material 904L Stainless Steel with DLC (Diamond-Like Carbon) Coating
- Frequency response 5Hz-22kHz
- SPL 103dB @ 1kHz, 1mW
- Crossover Integrated 4-way Passive Crossover
- Impedance 6.3 ohms @ 1kHz
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