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The XIO IEMs blend premium engineering with artistic sensibility, delivering an unparalleled listening experience that sets new standards for high-end in-ear monitors.\u003c\/p\u003e\n\u003cp\u003eThe XIO IEMs are designed for music lovers and discerning audiophiles who demand nothing less than perfection. With 10 hybrid drivers, 64 Audio patented technology like tia waveguide, and crafted aesthetics, the XIO IEMs are an incredible portable audio solution delivering years of happy listening. The XIO goes beyond simply playing music, it shapes sound into a tangible experience.\u003c\/p\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"m597xu\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-d541d9b4c24e40389b681f0b020317b0 builder-has-component css-m597xu\" builder-id=\"builder-d541d9b4c24e40389b681f0b020317b0\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003e\u003cem\u003e\"XIO boldly opens a new chapter in the evolution of high-end in-ear monitors. It goes beyond simply reproducing sound – it embodies our philosophy of sculpting sound itself. By combining mechanical perfection with musical sensibility, XIO creates value that exceeds expectations.\" \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e–\u003c\/em\u003e Vitaliy Belonozhko, 64 Audio Founder and CEO\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"hgfgng\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-12bbcf668e404383941bb7d4edf92414 builder-has-component css-hgfgng\" builder-id=\"builder-12bbcf668e404383941bb7d4edf92414\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003e10-Driver Hybrid System: Uncompromising Audio Performance\u003c\/h3\u003e\n\u003cp\u003eThe Astell\u0026amp;Kern XIO IEM is meticulously engineered both inside and out. Its advanced hybrid system, featuring 10 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\u003cp\u003eDual dynamic drivers in a TRUE ISOBARIC configuration deliver powerful, controlled bass, while multiple balanced armature (BA) drivers are responsible for the XIO's precise mid and high-frequency reproduction. This advanced driver array creates an unforgettable listening experience with imaging precision that rivals high-end headphones.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"vqoswq\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-cdfe3272d34f410ca66321259ccdd6f4 builder-has-component css-vqoswq\" builder-id=\"builder-cdfe3272d34f410ca66321259ccdd6f4\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"5458jd\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-5458jd\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\n\u003cstyle data-emotion-css=\"33zphb\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-b48cc748c7ed4fdd81a211c004053139 builder-has-component css-33zphb\" builder-id=\"builder-b48cc748c7ed4fdd81a211c004053139\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eTia Waveguide\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1mg1cg0\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-cea34f2ac02b4f06baa778c3694f2773 builder-has-component css-1mg1cg0\" builder-id=\"builder-cea34f2ac02b4f06baa778c3694f2773\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\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.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"sorz6q\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-sorz6q\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\n\u003cdiv class=\"builder-block builder-93d89c0317e54714b2484927764bc24d builder-has-component css-33zphb\" builder-id=\"builder-93d89c0317e54714b2484927764bc24d\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eBA Driver Manifold Assembly\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-41662d22341541f3ac794fcc191b56d5 builder-has-component css-1mg1cg0\" builder-id=\"builder-41662d22341541f3ac794fcc191b56d5\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\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.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-column css-sorz6q\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\n\u003cdiv class=\"builder-block builder-a174009974eb48328342301e4d34e184 builder-has-component css-33zphb\" builder-id=\"builder-a174009974eb48328342301e4d34e184\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eTrue ISOBARIC Dual Dynamic Driver\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-f57ab563a3a84f349f5fff2145b68319 builder-has-component css-1mg1cg0\" builder-id=\"builder-f57ab563a3a84f349f5fff2145b68319\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\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\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"15auezb\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-014a37c6bf634fcb90f68b32e8759253 builder-has-component css-15auezb\" builder-id=\"builder-014a37c6bf634fcb90f68b32e8759253\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eBreakthrough Technologies in Premium IEMs\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"4k6oae\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-27bd45d5616b437bbc307f0c294f7ec6 builder-has-component css-4k6oae\" builder-id=\"builder-27bd45d5616b437bbc307f0c294f7ec6\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eMuch of the XIO IEM's performance is attributed to 64 Audio's proprietary technologies, Tia, Apex, and LID. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTubeless In-Ear Audio (Tia) \u003c\/strong\u003eis a patented IEM design that minimizes resonance and distortion, delivering clear and vivid sound to your ears. The tia system consists of the tia driver, single-bore design, and acoustic chamber, and the XIO adopts the tia driver and single-bore structure to capture the pure essence of sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApex (Air Pressure Exchange) \u003c\/strong\u003eis a patented venting system that naturally releases pressure from the sealed ear canal while maintaining excellent noise isolation. This technology reduces listening fatigue during extended sessions, providing a much wider, more realistic soundstage. \u003c\/p\u003e\n\u003cp\u003eA part of the Apex venting system is 64 Audio's Apex Modules, included with the XIO. The M15 module, standard with the XIO, is specially designed with a DLC coating on 904L stainless steel, making it a unique apex solution exclusive to this model. The Apex modules \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLinear Impedance Design (LID) \u003c\/strong\u003eis 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 provides the XIO with a stable sound signature and accurate frequency response at all times. \u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-dcb669fa15964f0d855471d5381ae727 builder-has-component css-15auezb\" builder-id=\"builder-dcb669fa15964f0d855471d5381ae727\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eInternal Structure of the XIO\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1a1xg3c\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-8484d33825af4e24984017b6be06c55a builder-has-component css-1a1xg3c\" builder-id=\"builder-8484d33825af4e24984017b6be06c55a\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"16ae7i3\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-16ae7i3\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\n\u003cstyle data-emotion-css=\"1atkfxa\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-3c0e4302f2f84f7ca5b5d65187cf806c builder-has-component css-1atkfxa\" builder-id=\"builder-3c0e4302f2f84f7ca5b5d65187cf806c\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cul\u003e\n\u003cli\u003etiaⓇ Waveguide\u003c\/li\u003e\n\u003cli\u003e0.78mm 2-pin Socket\u003c\/li\u003e\n\u003cli\u003eDiamond-Like Carbon (DLC) Coated 904L Stainless Steel\u003c\/li\u003e\n\u003cli\u003eMid Frequency BA Driver\u003c\/li\u003e\n\u003cli\u003eTRUE ISOBARIC Dual Dynamic Driver\u003c\/li\u003e\n\u003cli\u003eDiamond-Like Carbon (DLC) Coated 904L Stainless Steel\u003c\/li\u003e\n\u003cli\u003eApex Module\u003c\/li\u003e\n\u003cli\u003eHigh-Mid Frequency BA Driver\u003c\/li\u003e\n\u003cli\u003eDriver Housing\u003c\/li\u003e\n\u003cli\u003etiaⓇ High Frequency Driver\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv 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flat\" loading=\"lazy\" class=\"builder-image css-1hbf805\" src=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=783\" srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=1600 1600w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F04b7b62b87a34184a2fddbe50381ea78?width=783 783w\" sizes=\"(max-width: 638px) 98vw, (max-width: 998px) 29vw, 56vw\"\u003e\u003c\/picture\u003e\u003cstyle data-emotion-css=\"qjm9kp\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-image-sizer css-qjm9kp\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"bst442\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-bst442\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\u003cdiv class=\"builder-block builder-ab0c58aa9a8b43e6b12b26b6cf3fc55c builder-has-component css-hgfgng\" builder-id=\"builder-ab0c58aa9a8b43e6b12b26b6cf3fc55c\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003ePremium Materials and Craftsmanship\u003c\/h3\u003e\n\u003cp\u003eThe XIO's exceptional quality begins with carefully selected materials that ensure both sonic excellence and lasting durability. The XIO's shell is crafted with precisely machined 904L stainless steel–a material harder and more challenging to work with than standard stainless steel, but incredibly durable for an IEM–and is finished with a luxurious black DLC (Diamond-Like Carbon) coating for premium texture. The faceplate exhibits Astell\u0026amp;Kern’s design heritage, projecting a three-dimensional and elegant presence through deep shading and delicate reflections.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"ixlip2\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-44abe667c9914bbea7bf95b831edf110 builder-has-component css-ixlip2\" builder-id=\"builder-44abe667c9914bbea7bf95b831edf110\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eThe included premium Litz Cable features UP-OCC (Ultra Pure Ohno Continuous Cast) copper conductors with silver plating for enhanced signal transmission and reduced electrical resistance. The four-core cross-braided design provides both durability and aesthetic appeal, while the exceptionally low 0.29Ω impedance maximizes electrical efficiency. The cable terminates in secure, reliable 0.78mm 2-pin connectors that ensure optimal signal transfer and long-term reliability.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1n465md\"\u003e\u003c\/style\u003e\n\u003cimg src=\"https:\/\/cdn.builder.io\/api\/v1\/pixel?apiKey=48d1cdcd52ec4d289f1ef8c4f75da167\" aria-hidden=\"true\" alt=\"\" role=\"presentation\" width=\"0\" height=\"0\" class=\"builder-block builder-pixel-afyy85v74e css-1n465md\" builder-id=\"builder-pixel-afyy85v74e\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/builder-component\u003e\n\u003cscript async src=\"https:\/\/cdn.builder.io\/js\/webcomponents\"\u003e\u003c\/script\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":51706735198522,"sku":"XIO-in-ear-monitors","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/xiolearphone_001-Photoroom.jpg?v=1754665983","url":"https:\/\/www.moon-audio.pro\/products\/astellnkern-xio-in-ear-monitors","provider":"Moon Audio","version":"1.0","type":"link"}