{"product_id":"moondrop-variations-iems-open-box","title":"MoonDrop Variations IEMs (Open Box)","description":"\u003ch2\u003eMOONDROP 1DD+2BA+2EST Tribrid IEM with Detachable Cable\u003c\/h2\u003e\n\u003ch2\u003eDiaphragm dynamic driver \u003c\/h2\u003e\n\u003cp\u003eDiaphragm dynamic driver is also called electric electro-acoustic transducer, and its manufacturing principle is that it can produce displacement by energizing conductor in a constant magnetic field.\u003c\/p\u003e\n\u003ch2\u003eBalanced armature driver\u003c\/h2\u003e\n\u003cp\u003eBalanced armature driver is mainly assembled by vibrating ferromagnetism and coil parts fixed in the magnetic circuit. When the alternating current passes through the coil, an alternating magnetic field is generated, which causes the force of the armature or the iron diaphragm in the magnetic circuit to change and vibrate and produce sound.\u003c\/p\u003e\n\u003ch2\u003eElectrostatic driver\u003c\/h2\u003e\n\u003cp\u003eElectrostatic driver is also commonly referred to as the capacitive electroacoustic transducer. Its diaphragm is driven by the repulsive force of the electrostatic field to produce sound.\u003c\/p\u003e\n\u003ch2\u003eSeek for the perfect\u003cbr\u003ecompatibility of Tribrid IEM\u003c\/h2\u003e\n\u003cp\u003eSince the application of electrostatic driver for in-ear earphones, products with electrostatic units have emerged one after another, but they have been criticized for reasons such as \"unacceptable tone\" or \"difficult to drive\".\u003c\/p\u003e\n\u003cp\u003eThe development of Variations adopts our previous experience in the development of EST + BA hybrid and EST + DD hybrid earphones. With 3D printing, a precise physical filter structure and frequency divider circuit are manufactured to produce excellent amplitude-frequency response and phase-frequency response. Conveys the perfect harmony of the sound and imaging.\u003c\/p\u003e\n\u003ch2\u003eErgonomic fit for the ear canal\u003cbr\u003eSkin-friendly texture design\u003c\/h2\u003e\n\u003cp\u003eVariations continues the ergonomic design of multi-unit composite earphones, which can fit the human ear canal, making it comfortable and ensuring the sound quality.\u003c\/p\u003e\n\u003cp\u003eThe cavity is made of medical resin 3D printing. Hand polished and finely sandblasted design for skin-friendly surface, which not only has an excellent texture, but also fits the ear canal more comfortably. It looks elegant when the fine sandblasting stainless steel panel fits with the frosted cavity.\u003c\/p\u003e\n\u003ch2\u003eStructure and Drivers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMatte stainless sandblasted panel\u003c\/li\u003e\n\u003cli\u003eSonion high performance dual electrostatic drivers\u003c\/li\u003e\n\u003cli\u003e10mmLCP liquid crystal diaphragm dynamic driver\u003c\/li\u003e\n\u003cli\u003eSoftears-D-Mid-B customized\u003c\/li\u003e\n\u003cli\u003emidrange balanced armature drivers\u003c\/li\u003e\n\u003cli\u003e0.78mm universal detachable interface\u003c\/li\u003e\n\u003cli\u003eMedical resin 3D printing complex filter structure cavity\u003c\/li\u003e\n\u003cli\u003eKnowles acoustic damper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBass driver: 10mmLCP liquid crystal diaphragm dynamic driver\u003cbr\u003e\u003c\/strong\u003eThe Bass driver adopts the newly developed 10mm liquid crystal diaphragm composite copper inner cavity diaphragm dynamic driver. The liquid crystal polymer liquid crystal polymer diaphragm with a thickness of only 9um has balanced compliance and damping characteristics, and it is matched with the lightweight CCAW voice coil and The brass composite inner cavity brings powerful and freely retractable bass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMidrange driver: Softears-D-Mid-B customized  midrange balanced armature drivers\u003cbr\u003e\u003c\/strong\u003eDual balanced armature drivers are customized by Softears, which is not only transient and excellent in detail, but also exhibits amplitude-frequency characteristics that highly meet the requirements of Variation design, which complements the DD and the EST drivers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreble driver: Sonion high performance dual electrostatic drivers\u003cbr\u003e\u003c\/strong\u003eThe Variations treble driver adopts Sonion's new high-power version of one-to-two compound double electrostatic tweeter, which brings high-efficiency, dynamic, and excellent resolution to the high pitch.\u003c\/p\u003e\n\u003cp\u003eIn order to achieve excellent frequency response and consistent phase across all frequencies, Variations inherited and improved the hybrid crossover design of Blessing2. Through the 3D printed precision acoustic channel combined with damping materials to achieve low-frequency physical band-pass filtering and medium-high-frequency low-pass smoothing filtering, coupled with accurate RC low-pass filter circuit, high-pass filter circuit and equalization circuit, Variations can show very ideal frequency response and phase indicators.\u003c\/p\u003e\n\u003cp\u003e3D printed physical filter structure + RC filter frequency divider circuit\u003c\/p\u003e\n\u003ch2\u003eWorking with Master 3D Printing Supplier\u003c\/h2\u003e\n\u003cp\u003eIn order to accurately achieve the complex physical filtering intermal structure of Variations and avoid the acoustic structure error, an ultra high-precision 3D printing process is needed.\u003c\/p\u003e\n\u003cp\u003eSo we cooperate with the well-known 3D printing supplier \"Heygears Technology\" to apply its mature high- precision DLP 3D printing technology and use imported medical-grade UV resin to produce high precision, high transparency, high hardness, and accurate complex cavity\u003c\/p\u003e\n\u003ch2\u003eExcellent acoustic performance\u003c\/h2\u003e\n\u003cp\u003eAdvanced transducer unit and rigorous acoustic structure design, coupled with carefully polished physical filtering and crossover circuits, make Variations outstanding results in both linear and nonlinear distortions.\u003c\/p\u003e\n\u003cp\u003eFrequency Response is tuned based on MOONDROP VDSF Target Response (calculated by combining B\u0026amp;K HATS diffusion field HRTF and room reverberation curve) to bring a true and accurate longitudinal sound field and present the sound quality that can accurately restore the information contained in the recording.\u003c\/p\u003e\n\u003ch2\u003eHighly consistent full-frequency phase\u003c\/h2\u003e\n\u003cp\u003ePhase exhibits a high degree of uniformity across all the frequency, eliminating the common connection problems of multi-unit tribrid earphones, making the three-frequency sound fit accurately, and the sound field image is true and accurate.\u003c\/p\u003e\n\u003ch2\u003eLow non-linear distortion, accurate and clean sound.\u003c\/h2\u003e\n\u003cp\u003eWith the reasonable unit configuration, the total harmonic distortion of the whole frequency is less than 1%, and the odd and even harmonics are evenly distributed, and the overall tone is harmonious and clean.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePositive and negative coaxial structure\u003c\/li\u003e\n\u003cli\u003e6N purity single crystal copper\u003c\/li\u003e\n\u003cli\u003e​Independent insulation cable core\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e0.78mm universal detachable interface\u003c\/h2\u003e\n\u003cp\u003eStandard PCC coaxial single crystal copper detachable earphone cable\u003c\/p\u003e\n\u003cp\u003eAdopting 0.78 dual-pin universal replaceable earphone cable as always, allowing users to replace their favorite cable to meet their needs.\u003c\/p\u003e\n\u003cp\u003eAnd it also comes with PCC coaxial single crystal copper earphone cable, which not only adopts coaxial structure and 6NOCC single crystal copper to ensure excellent sound quality, but also can replace the attached 3.5mm single-ended\/2.5mm balanced\/4.4mm balanced plug.\u003c\/p\u003e\n\u003ch2\u003eVariations Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency Response: 9-40kHz (IEC61094,Free Field)\u003c\/li\u003e\n\u003cli\u003eEffective Frequency Response: 20-20kHz (IEC60318-4,-3dB)\u003c\/li\u003e\n\u003cli\u003eSensitivity:  118dB\/Vrms @1kHz\u003c\/li\u003e\n\u003cli\u003eImpedance: 15.2Ω @1kHz土15%\u003c\/li\u003e\n\u003cli\u003eT H D: \u0026lt; 1% @1kHz\u003c\/li\u003e\n\u003cli\u003eDrivers: 1DD+2BA+2EST\u003c\/li\u003e\n\u003cli\u003eBass driver:  10mmLCP liquid crystal diaphragm dynamic driver\u003c\/li\u003e\n\u003cli\u003eMidrange driver: Softears-D-Mid-B customized midrange balanced armature drivers\u003c\/li\u003e\n\u003cli\u003eTreble driver: Sonion high performance dual electrostatic drivers\u003c\/li\u003e\n\u003cli\u003eCavity material: stainless steel + resin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MoonDrop","offers":[{"title":"Default Title","offer_id":40800418988222,"sku":"Variations (OB)","price":539.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/MoonDrop-Variations-2EST-2BA-DD-Earphones-Tribrid-IEM-with-Detachable-Cable_478d69f7-875a-436b-9de0-4f5a67330ce3.jpg?v=1762458570","url":"https:\/\/audio46.mom\/products\/moondrop-variations-iems-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}