{"product_id":"astell-kern-64-audio-xio","title":"Astell\u0026Kern x 64 Audio XIO | Hybrid Universal IEMs","description":"\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto; width: 65%;\" alt=\"astell\u0026amp;kern x 64 audio xio logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-xio-logo.png?v=1754505780\"\u003e\u003c\/p\u003e\n\u003ch4\u003eIndustry Leaders Astell\u0026amp;Kern and 64 Audio Join Forces to Present XIO, an IEM that Fuses Striking Design with Sonic Precision to Set a New Standard\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e10-Driver hybrid universal IEMs: (2x) DD + (8x) BA\u003c\/li\u003e\n\u003cli\u003eFeatures 64 Audio's patented tia, apex, and LID technology\u003c\/li\u003e\n\u003cli\u003eFaceplate representing Astell\u0026amp;Kern's design heritage\u003c\/li\u003e\n\u003cli\u003ePrecision engineering for realistic depth and space\u003c\/li\u003e\n\u003cli\u003eSpecially crafted Silver Copper cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-xio-banner_b6de4347-a64d-4681-bb3f-3cc9fcafa6c2.webp?v=1758833574\" width=\"2048\" height=\"1360\" alt=\"Astell\u0026amp;Kern x 64 Audio XIO IEMs sitting on top of coiled cable on Astell\u0026amp;Kern SR35 DAP on wooden table birds eye view\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAstell\u0026amp;Kern x 64 Audio\u003c\/h3\u003e\n\u003cp\u003eXIO is the culmination of Astell\u0026amp;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.\u003c\/p\u003e\n\u003cp\u003eDesigned as a true object of art, XIO sets a new standard for high-end in-ear monitors—an uncompromising fusion of aesthetics and acoustics that redefines what's possible.\u003c\/p\u003e\n\u003ch3\u003eEngineered for Precision\u003c\/h3\u003e\n\u003cp\u003eXIO 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 soundstage.\u003c\/p\u003e\n\u003ch3\u003e10-Driver System\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003etiaⓇ waveguide\u003c\/strong\u003e\u003cbr\u003eThe 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.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBA Driver Manifold Assembly\u003c\/strong\u003e\u003cbr\u003eThe 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 soundstage.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTRUE ISOBARIC Dual Dynamic Driver\u003c\/strong\u003e\u003cbr\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-xio-lifestyle.webp?v=1754511472\" width=\"2048\" height=\"500\" alt=\"Astell\u0026amp;Kern x 64 Audio XIO IEMs in four images attached to cable with SP4000 dap, PD10 dap, and hanging from ledge\"\u003e\u003c\/p\u003e\n\u003ch3\u003e64 Audio Patented Technology\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003etiaⓇ\u003c\/strong\u003e\u003cbr\u003eTubeless In-Ear Audio (tia) is a patented IEM design that minimizes resonance and distortion, delivering clear and vivid sound.\u003cbr\u003e\u003cbr\u003eThe tia system consists of the tia driver, single-bore design, and acoustic chamber. XIO adopts the tia driver and single-bore structure to capture the pure essence of sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eapexⓇ\u003c\/strong\u003e\u003cbr\u003eapex (Air Pressure Exchange) is a patented venting system that naturally releases pressure from the sealed ear canal while maintaining excellent noise isolation.\u003cbr\u003eThis technology reduces listening fatigue during extended sessions and provides a much wider, more realistic soundstage. The m15 module, standard with XIO, is specially redesigned for XIO with DLC coating on 904L stainless steel, making it a unique apex solution exclusive to this model.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLIDⓇ\u003c\/strong\u003e\u003cbr\u003eLinear Impedance Design (LID) is a patented circuit that compensates for nonlinear resistance between drivers, ensuring consistent sound quality regardless of changes in the output impedance of the source device. This technology provides a stable sound signature and accurate frequency response at all times.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision-Milled 904L Stainless Steel Shell\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe exterior of XIO goes beyond that of a typical IEM, standing out as an “audio art piece” that satisfies both visual and tactile senses.\u003cbr\u003eIts 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-4-xio-thumb.webp?v=1754510815\" width=\"2048\" height=\"2048\" alt=\"AK x 64 Audio XIO IEMs shell front side, front left angle, and side profile views in vertical a row whitebox\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe faceplate exhibits Astell\u0026amp;Kern’s design heritage, projecting a three-dimensional and elegant presence through deep shading and delicate reflections.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSilver Plated Copper Litz Cable\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis 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. With a low impedance of just 0.29Ω, it maximizes electrical efficiency.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell\u0026amp;Kern 64 Audio Xio measurement graph\" height=\"1272\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-xio-graph.webp?v=1770999698\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell\u0026amp;Kern x 64 Audio XIO IEMs in the box\" height=\"2048\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-xio-box.webp?v=1754510866\"\u003e\u003c\/p\u003e","brand":"Astell\u0026Kern","offers":[{"title":"New","offer_id":42091508269131,"sku":"AK-64A-XIO","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"Open Box","offer_id":42091508301899,"sku":"AK-64A-XIO-OB","price":3000.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ak-64a-0-xio-thumb.webp?v=1754510816","url":"https:\/\/bloomaudio.mom\/products\/astell-kern-64-audio-xio","provider":"Bloom Audio","version":"1.0","type":"link"}