{"product_id":"dunu-sa6-est-in-ear-headphones-open-box-clearance","title":"Dunu SA6 EST In-Ear Headphones - Open Box - Clearance","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cstrong\u003eClearance items are sold as is without a warranty guarantee and no returns.\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe DUNU SA6 EST pairs the control and tonal precision of six balanced armature drivers with the extra treble reach of two electrostatic drivers in each earpiece. Its eight-driver architecture is tuned for substantial bass, clear vocal presence, finely resolved upper frequencies, and an open sense of air without losing coherence between the different driver systems.\u003c\/p\u003e\n\u003cp\u003eDUNU supports that driver array with a dual-system four-way crossover, four independent acoustic tubes, high-purity internal wiring, and the upgraded Hulk Pro Mini cable. Custom Nebula faceplates give every pair its own finish, while the lightweight resin shells and carefully shaped contours are designed for a secure, comfortable fit.\u003c\/p\u003e\n\u003ch3\u003eEight Drivers Per Side\u003c\/h3\u003e\n\u003cp\u003eTwo custom Sonion vented balanced armature drivers handle the low frequencies. Their shared acoustic chamber uses an airflow valve and increased internal volume to give bass notes greater weight, movement, and physical presence than a conventional sealed balanced armature design.\u003c\/p\u003e\n\u003cp\u003eTwo custom Knowles drivers cover the midrange and lower treble, preserving the body and texture of vocals and instruments. A second pair of Knowles balanced armatures focuses on the higher frequencies, adding definition and fine detail.\u003c\/p\u003e\n\u003cp\u003eTwo Sonion electrostatic drivers complete the system, extending the upper treble with additional air and low-level information. Their contribution is heard in the space around instruments, the decay of cymbals, and the ambient detail that gives recordings a stronger sense of scale.\u003c\/p\u003e\n\u003ch3\u003eDual-System Four-Way Crossover\u003c\/h3\u003e\n\u003cp\u003eManaging eight drivers requires more than dividing the frequency range electronically. The SA6 EST combines an electronic four-way crossover with four independent acoustic sound tubes, giving DUNU control over both the electrical signal and the physical path from each driver group to the ear.\u003c\/p\u003e\n\u003cp\u003eThis dual-system approach helps maintain phase alignment and a smooth transition between bass, midrange, treble, and ultra-high frequencies. Each driver group can operate within the range it handles best while the complete presentation remains cohesive.\u003c\/p\u003e\n\u003ch3\u003eCustom Nebula Faceplates\u003c\/h3\u003e\n\u003cp\u003eThe SA6 EST uses handcrafted faceplates with flowing blue, white, and black patterns scattered with silver flakes. Variations in the material and finishing process give each pair a distinct appearance rather than a repeated printed pattern.\u003c\/p\u003e\n\u003cp\u003eThe resin shells are shaped from a refined ear model to follow the natural contours of the outer ear. At approximately 6g per side, the earpieces remain light enough for extended listening while providing the internal space required for the eight-driver acoustic system.\u003c\/p\u003e\n\u003ch3\u003eHulk Pro Mini Cable\u003c\/h3\u003e\n\u003cp\u003eDUNU includes its upgraded Hulk Pro Mini cable, developed to retain the performance of the original Hulk Pro in a lighter and more manageable format. The reduced size makes the cable better suited to portable use while maintaining a high-quality signal path.\u003c\/p\u003e\n\u003cp\u003eHigh-purity single-crystal copper is also used for the wiring inside each earpiece. The cable connects through standard 0.78mm two-pin sockets, allowing it to be replaced or changed without requiring a proprietary connector.\u003c\/p\u003e\n\u003ch3\u003eQ-Lock Plus Interchangeable Plugs\u003c\/h3\u003e\n\u003cp\u003eThe patented Q-Lock Plus system allows the cable termination to be changed without replacing the entire cable. Both 3.5mm single-ended and 4.4mm balanced plugs are included, covering common portable players, dongle DACs, desktop amplifiers, and headphone outputs.\u003c\/p\u003e\n\u003cp\u003eThe self-locking mechanism secures the selected plug firmly while keeping changes quick and straightforward. A leather carrying case and DUNU S\u0026amp;S ear tips in sizes S through XL complete the package.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEight-driver hybrid in-ear monitor\u003c\/li\u003e\n\u003cli\u003eSix balanced armature drivers and two electrostatic drivers per earpiece\u003c\/li\u003e\n\u003cli\u003eTwo custom Sonion vented low-frequency balanced armature drivers\u003c\/li\u003e\n\u003cli\u003eLarge-volume bass chamber with airflow valve\u003c\/li\u003e\n\u003cli\u003eTwo custom Knowles mid-high balanced armature drivers\u003c\/li\u003e\n\u003cli\u003eTwo custom Knowles high-frequency balanced armature drivers\u003c\/li\u003e\n\u003cli\u003eTwo Sonion electrostatic ultra-high-frequency drivers\u003c\/li\u003e\n\u003cli\u003eDual-system four-way crossover\u003c\/li\u003e\n\u003cli\u003eFour independent acoustic sound tubes\u003c\/li\u003e\n\u003cli\u003ePhase-aligned driver integration\u003c\/li\u003e\n\u003cli\u003eLightweight ergonomic resin shells\u003c\/li\u003e\n\u003cli\u003eIndividually patterned Nebula faceplates\u003c\/li\u003e\n\u003cli\u003eHigh-purity single-crystal copper internal wiring\u003c\/li\u003e\n\u003cli\u003eUpgraded Hulk Pro Mini cable\u003c\/li\u003e\n\u003cli\u003e0.78mm two-pin cable connectors\u003c\/li\u003e\n\u003cli\u003eQ-Lock Plus interchangeable plug system\u003c\/li\u003e\n\u003cli\u003e3.5mm single-ended and 4.4mm balanced plugs included\u003c\/li\u003e\n\u003cli\u003eLeather carrying case included\u003c\/li\u003e\n\u003cli\u003eDUNU S\u0026amp;S ear tips in sizes S through XL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHybrid in-ear monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Count\u003c\/td\u003e\n\u003ctd\u003e8 drivers per earpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Configuration\u003c\/td\u003e\n\u003ctd\u003e6 balanced armature drivers and 2 electrostatic drivers per earpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Frequency Drivers\u003c\/td\u003e\n\u003ctd\u003e2 × custom Sonion vented balanced armature drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid-High Drivers\u003c\/td\u003e\n\u003ctd\u003e2 × custom Knowles balanced armature drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Frequency Drivers\u003c\/td\u003e\n\u003ctd\u003e2 × custom Knowles balanced armature drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltra-High-Frequency Drivers\u003c\/td\u003e\n\u003ctd\u003e2 × custom Sonion electrostatic drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover\u003c\/td\u003e\n\u003ctd\u003eDual-system four-way electronic and acoustic crossover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcoustic Tubes\u003c\/td\u003e\n\u003ctd\u003e4 independent channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5Hz to 40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e55Ω at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e117dB\/mW at 1kHz; 130dB\/Vrms at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Harmonic Distortion\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5% at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell Material\u003c\/td\u003e\n\u003ctd\u003eResin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFaceplate\u003c\/td\u003e\n\u003ctd\u003eCustom-painted Nebula design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 6g per earpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003eDUNU Hulk Pro Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e1.2m + 0.1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarphone Connectors\u003c\/td\u003e\n\u003ctd\u003e0.78mm two-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Plugs\u003c\/td\u003e\n\u003ctd\u003e3.5mm TRS single-ended and 4.4mm TRRRS balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDUNU SA6 EST in-ear monitors\u003c\/li\u003e\n\u003cli\u003eHulk Pro Mini cable\u003c\/li\u003e\n\u003cli\u003e3.5mm single-ended Q-Lock Plus plug\u003c\/li\u003e\n\u003cli\u003e4.4mm balanced Q-Lock Plus plug\u003c\/li\u003e\n\u003cli\u003eDUNU S\u0026amp;S ear tips in sizes S, M, L, and XL\u003c\/li\u003e\n\u003cli\u003eLeather carrying case\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dunu","offers":[{"title":"Default Title","offer_id":42981439078471,"sku":null,"price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1791\/0383\/files\/1_6dea6df5-8420-4daf-8a20-9eaf99cb5b81.jpg?v=1784571896","url":"https:\/\/headphones.com\/products\/dunu-sa6-est-in-ear-headphones-open-box-clearance","provider":"Headphones.com","version":"1.0","type":"link"}