{"product_id":"astell-kern-clarus-in-ear-monitors","title":"Astell \u0026 Kern CLARUS In-Ear Monitors","description":"\u003ch3\u003eEvery Facet, Every Reflection\u003c\/h3\u003e\n\u003ch2\u003eCLARUS\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_9_611e834d-9fb8-409a-968d-c97267ecbf99.jpg?v=1787583574\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"t1\"\u003eCLARUS unites three transducer technologies and a precision-machined housing into one coherent system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9-driver tribrid architecture: 1 dynamic driver, 7 balanced armatures, 1 MEMS tweeter\u003c\/li\u003e\n\u003cli\u003eThree coordinated acoustic systems\u003c\/li\u003e\n\u003cli\u003eSilicon MEMS tweeter delivering semiconductor-level speed and precision in the highs\u003c\/li\u003e\n\u003cli\u003eSix-way crossover preserving phase and tonal coherence\u003c\/li\u003e\n\u003cli\u003eCNC-machined aerospace-grade 6061-T6 aluminum housing\u003c\/li\u003e\n\u003cli\u003eMulti-faceted faceplate finished with the Astell\u0026amp;Kern insignia\u003c\/li\u003e\n\u003cli\u003eAK × Effect Audio custom cable\u003c\/li\u003e\n\u003cli\u003eAK × AZLA SE2000 ear tips in six sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eA sound as clear and brilliant as starlight\u003c\/h2\u003e\n\u003cp\u003eFollowing Zero1, Zero2, and Luna, CLARUS is Astell\u0026amp;Kern's fourth flagship in-ear monitor, and our finest yet. Every product we make begins with a single belief: that sound should be heard exactly as it was meant to be.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eFrom the arrangement of every driver to the final voicing, CLARUS was engineered and tuned to that belief. It was developed and voiced on Astell\u0026amp;Kern reference systems, and tuned together with our flagship SP4000T player, so that what you hear is the true spirit of Astell\u0026amp;Kern.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNamed after the star in \"Astell,\" CLARUS was voiced to shine with the same quality a star does — clear, pure, and unwavering. Rather than highlighting one frequency or enhancing another, CLARUS delivers natural clarity evenly across the entire spectrum. It doesn't color the music or draw attention to specific details—it simply lets the recording speak for itself, allowing you to experience the Astell\u0026amp;Kern sound in its purest, most luminous form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9-Driver Tribrid\u003c\/li\u003e\n\u003cli\u003e6-Way Crossover Network\u003c\/li\u003e\n\u003cli\u003e3 Coordinated Acoustic Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"t1\"\u003eCLARUS is built on a precisely harmonized 9-driver tribrid architecture that combines a proprietary dynamic driver, seven Sonion balanced armatures, and a silicon MEMS tweeter within a single, coherent system.\u003cbr\u003eEach element was developed for its distinct role and tuned through precise control of phase, pressure, and motion.\u003cbr\u003e\u003cbr\u003eIts design reflects the same discipline that governs its form. Every contour, cavity, and circuit exists to serve acoustic integrity. The structure is shaped by performance, the performance defined by structure. Nothing is decorative, nothing is redundant.\u003cbr\u003e\u003cbr\u003eEvery driver operates within its natural range, contributing its character without interference. No forced equalization. No artificial enhancement. Only precision through purpose.\u003c\/p\u003e\n\u003cp class=\"t1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_11_2a77903f-4931-4aed-8d74-583e12ad9a05.jpg?v=1787584211\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Version\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1. Low-Frequency System | Proprietary 9 mm Dynamic Driver + Dual Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003e2. Midrange Array | Three Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003e3. High-Frequency System | Silicon MEMS Tweeter + Dual Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003e4. 0.78 2-pin Connector\u003c\/li\u003e\n\u003cli\u003e5. 6061-T6 Aluminum Shell | Anodized Silver\u003c\/li\u003e\n\u003cli\u003e6. Multi-Faceted Faceplate | CNC-Machined 6061-T6 Aluminum, Anodized Silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_12_0324e7a0-96a3-4d54-846c-c0f3ba4464da.jpg?v=1787584210\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAcoustic Architecture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLow-Frequency System: Proprietary 9 mm Dynamic Driver + Dual Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003eMidrange Array: Three Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003eHigh-Frequency System: Silicon MEMS Tweeter + Dual Sonion Balanced Armatures\u003c\/li\u003e\n\u003cli\u003e6-Way Crossover Network controlling the full 9-driver tribrid architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_13_da5bd17d-a518-49a8-bef9-edb2b18df6ec.jpg?v=1787584210\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"box\"\u003e\n\u003ch2 class=\"t1\"\u003eLOW-FREQUENCY SYSTEM (20 Hz – 500 Hz)\u003c\/h2\u003e\n\u003cp class=\"t2\"\u003eBass and lower midrange are driven by a three-driver hybrid low-frequency system, combining a proprietary 9 mm dynamic driver with a dual Sonion balanced armature array.\u003cbr\u003e\u003cbr\u003eThe 9 mm dynamic driver operates from 20–200 Hz, delivering sub-bass depth, extension, and natural physical weight. The dual Sonion armature array operates from 80–500 Hz, reinforcing speed, articulation, and structural definition through the upper bass and lower midrange.\u003cbr\u003e\u003cbr\u003eAll three drivers are housed within a shared pressure-coupled chamber, allowing air movement, acoustic pressure, and crossover behavior to be controlled as one integrated low-frequency system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box\"\u003e\n\u003ch2 class=\"t1\"\u003eMIDRANGE ARRAY (500 Hz – 7 kHz)\u003c\/h2\u003e\n\u003cp class=\"t2\"\u003eCore midrange and presence are handled by a three-driver Sonion balanced armature array, tuned for tonal balance and natural presence.\u003cbr\u003e\u003cbr\u003eA dual Sonion midrange armature operates from 500 Hz to 2 kHz, shaping vocal body, tonal density, and natural midrange weight.\u003cbr\u003e\u003cbr\u003eA dedicated Sonion balanced armature operates from 800 Hz to 7 kHz, extending clarity, harmonic structure, and presence-region definition. Together, the midrange array maintains continuity from lower mids into upper mids, preserving vocal placement, instrumental separation, and articulation through the center of the frequency range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box\"\u003e\n\u003ch2 class=\"t1\"\u003eHIGH-FREQUENCY SYSTEM (7 kHz – 20 kHz)\u003c\/h2\u003e\n\u003cp class=\"t2\"\u003eThe high-frequency system pairs a top-firing silicon MEMS tweeter with two Sonion high-frequency balanced armatures, creating a hybrid treble section designed for speed, output, and extension.\u003cbr\u003e\u003cbr\u003eWithin CLARUS, the MEMS tweeter operates from 7–10 kHz, bringing semiconductor-level precision to the upper registers. Its monolithic silicon structure delivers exceptional speed, phase stability, and part-to-part consistency, producing fine detail with a level of focus and control beyond conventional driver designs.\u003cbr\u003e\u003cbr\u003eThe paired Sonion high-frequency armatures operate from 9–15 kHz, with response extending to 20 kHz, reinforcing treble output, air, intelligibility, and spatial extension while maintaining low distortion across the upper registers.\u003c\/p\u003e\n\u003ch2\u003eMaterial-Design Engineering\u003c\/h2\u003e\n\u003ch3 class=\"t1\"\u003eSHELL\u003c\/h3\u003e\n\u003cp class=\"t2\"\u003eCLARUS features a CNC-machined shell crafted from aerospace-grade 6061-T6 aluminum and finished in anodized silver. The main body follows an organic ergonomic form, shaped for natural fit and stable contact within the ear.\u003cbr\u003eIts geometry is engineered for stiffness and resonance control, and the housing is defined by precision machining, structural integrity, and a clean industrial form. The alloy’s low density provides comfort while preserving strength and balance.\u003c\/p\u003e\n\u003ch3 class=\"t1\"\u003eFACEPLATE\u003c\/h3\u003e\n\u003cp class=\"t2\"\u003eThe shell transitions into a multi-faceted faceplate, where precision-cut planes create depth, contrast, and controlled reflection across the surface.\u003cbr\u003eThe anodized silver finish emphasizes the material character of the aluminum, highlighting the sharp geometry of the faceplate and the smooth curvature of the shell.\u003cbr\u003eEvery edge, radius, and transition was modeled to direct light and form as one continuous surface.\u003c\/p\u003e\n\u003ch3 class=\"t1\"\u003eERGONOMIC FORM\u003c\/h3\u003e\n\u003cp class=\"t2\"\u003eThe shell follows an organic ergonomic form, sculpted for natural fit and stable contact within the ear. Every curve transitions smoothly from the faceted faceplate into the body of the housing.\u003cbr\u003eMachined to precise tolerances, the form balances comfort, isolation, and structural integrity, completing CLARUS as a single continuous industrial statement.\u003c\/p\u003e\n\u003ch2\u003eSIX-WAY CROSSOVER\u003c\/h2\u003e\n\u003cp\u003eA proprietary six-way crossover network controls the entire tribrid architecture, assigning each driver group a defined operating range within the system.\u003cbr\u003e\u003cbr\u003eEach acoustic path is independently filtered and integrated to manage the interaction between the dynamic driver, balanced armatures, and MEMS tweeter. This allows the system to preserve timing, phase behavior, and tonal continuity across overlapping frequency regions.\u003cbr\u003e\u003cbr\u003eThe result is a 9-driver tribrid architecture that performs as a single acoustic framework rather than a collection of separate driver technologies.\u003c\/p\u003e\n\u003ch3\u003eAstell\u0026amp;Kern × Effect Audio Cable\u003c\/h3\u003e\n\u003cdiv class=\"right-txt\"\u003e\n\u003cp\u003eThe cable included with CLARUS is a branded premium product — a custom-spec Effect Audio Ares S Lite, from one of the world’s leading specialists in high-end IEM cables.\u003c\/p\u003e\n\u003cul class=\"list\"\u003e\n\u003cli\u003eUP-OCC pure copper Litz conductors\u003c\/li\u003e\n\u003cli\u003e24 AWG, four-wire dual geometric design\u003c\/li\u003e\n\u003cli\u003e0.78 mm 2-pin connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSednaEarfit SE2000 Ear Tips\u003c\/h3\u003e\n\u003cp\u003eThe ear tips included with CLARUS are AZLA SednaEarfit SE2000 — made of KCC medical-grade silicone and offered in a full range of six sizes for an optimal, secure fit.\u003c\/p\u003e\n\u003ch2\u003eComponents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCLARUS Earbud L\/R\u003c\/li\u003e\n\u003cli\u003eAK × Effect Audio Cable (custom-spec Ares S Lite; 0.78 mm 2-pin)\u003c\/li\u003e\n\u003cli\u003eAK × AZLA SE2000 Ear Tips — 6 sizes (SS \/ S \/ MS \/ M \/ ML \/ L)\u003c\/li\u003e\n\u003cli\u003eIEM Pouch\u003c\/li\u003e\n\u003cli\u003eCable Holder\u003c\/li\u003e\n\u003cli\u003eCLARUS Saffiano Leather Case x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_14_5adf426b-1e6e-4c2f-b350-6c402a500292.jpg?v=1787584966\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003eDriver\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Proprietary 9 mm Dynamic Driver\u003c\/li\u003e\n\u003cli\u003e7 × Sonion Balanced Armature Drivers\u003c\/li\u003e\n\u003cli\u003e1 × Silicon MEMS Tweeter\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003eCable\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAK × Effect Audio Cable (custom-spec Ares S Lite)\u003c\/li\u003e\n\u003cli\u003eUP-OCC Pure Copper Litz Conductors, 24 AWG 4-Wire\u003c\/li\u003e\n\u003cli\u003e0.78 mm 2-Pin Connector \/ Termination: TBC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaterials \u0026amp; Finish\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6061-T6 Aluminum CNC Chassis, Anodized Silver\u003c\/li\u003e\n\u003cli\u003eMulti-Faceted Faceplate, CNC-Machined 6061-T6 Aluminum, Anodized Silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponents\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClarus Earbuds, AK × Effect Audio Cable, AK × AZLA SE2000 Tips, Saffiano Case (see p.14)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20 Hz – 20 kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSensitivity\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e103.9 dB SPL @ 1 kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImpedance\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9.7 Ω @ 1 kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":51713729888489,"sku":"CLARUS (PSP43)","price":2900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image6_ab6241f3-6b4d-40dd-8686-71873cf587e7.jpg?v=1787584278","url":"https:\/\/audio46.com\/products\/astell-kern-clarus-in-ear-monitors","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}