{"product_id":"na20s-custom","title":"NA20S (Custom)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Nostalgia Audio NA20S flagship redefines professional monitoring with \"absolute realism and micro-dynamics,\" using \"acoustic microscope\" precision for zero coloration and high fidelity. Its unique hybrid architecture, featuring 18 Balanced Armatures and 2 custom micro-planar tweeters, employs a 6-way crossover across the 15Hz-45kHz spectrum. This design eliminates phase inconsistencies, excels in tonal texture and micro-dynamics, and delivers peerless acoustic control with a flat, high-density sound and a deep, holographic soundstage, acting as an \"absolute mirror\" for true recording essence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA Revitalized Brand Visual Identity: Articulating a High-End Acoustic Masterpiece\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNostalgia Audio introduces a new visual aesthetic for its flagship Professional S Series, while the classic logo remains for standard products. This update reflects the brand's high-end positioning, blending acoustic prowess with artisanal aesthetics.\u003c\/p\u003e\n\u003cp\u003eThe new Monogram for the \"Professional S Series\" features elegant serif typography, intertwining 'N' and 'A' initials. The 'N's diagonal stroke forms an arc through the 'A', resembling soundwaves, imbuing the emblem with musical vitality and three-dimensional depth.\u003c\/p\u003e\n\u003cp\u003eThis visual language enables continuous tessellation, with the flagship NA20S integrating the custom Monogram texture into its faceplate. This enhances its luxurious feel and craftsmanship, asserting its top-tier status and embodying the brand's philosophy of extreme acoustic performance and premium design.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/NA20S_monogram.jpg?v=1776081072\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAn All-New Hybrid Architecture and Full-Spectrum Articulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NA20S features a unique hybrid acoustic architecture with 18 Balanced Armatures and 2 custom micro-planar tweeters. A precision 6-way crossover meticulously divides the 15Hz-45kHz frequency spectrum into six segments, ensuring seamless transitions.\u003c\/p\u003e\n\u003cp\u003e4 BA drivers deliver robust, layered low and ultra-low frequencies with ample sub-bass. 6 dedicated BAs restore warm, transparent midrange vocals and instruments. 4 mid-high BAs achieve crystalline separation, rendering nuances with microscopic precision.\u003c\/p\u003e\n\u003cp\u003eFour BA drivers optimize high frequencies for bright, detailed, non-fatiguing sound. 2 exclusive micro-planar tweeters manage ultra-highs with lightning-fast transient response, enhancing resolution, detail layering, and creating an expansive, luminous soundstage.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/NA20S_explode.jpg?v=1776080976\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeutral and Transparent Monitoring Demeanor: Extreme Resolution Reveals True Professional Character\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NA20S's tuning philosophy of \"neutral transparency, high analytical power, and ultra-fast transients\" is designed for music creators, professional musicians, and discerning audiophiles.\u003c\/p\u003e\n\u003cp\u003eIts lower registers offer solid texture and outstanding control with clear layering and crisp bass details. The midrange provides a well-defined, full, warm sound, ensuring pristine clarity for vocals and instruments, accurately conveying emotion.\u003c\/p\u003e\n\u003cp\u003eIn the high and ultra-high frequencies, the NA20S delivers massive resolution, revealing vivid details and rich layering. Its warm ultra-high extension captures minute harmonic shifts, amplifying the soundstage for an accurate, expansive, and comfortable listening experience.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/20260408002235_56_18.jpg?v=1776081151\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClass-Defying Configuration: Trickle-Down Titanium Sound Tube Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NA20S, a flagship, inherits high-rigidity titanium sound tube technology from top-tier products. This design utilizes titanium's low-resonance properties and calibrated tubes to reduce internal noise, enhancing sonic purity, penetrative power, and spatial layering for accurate soundstage replication.\u003c\/p\u003e\n\u003cp\u003eIts lightweight, ergonomic universal-fit shell and rigorous airtight craftsmanship ensure stable, supremely comfortable wear, providing zero fatigue even during prolonged use for studio monitoring or daily commuting.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/20260408013311_526_16.jpg?v=1776080728\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn-House BA-Style Micro-Planar Tweeter: Revolutionizing High-Frequency Acoustics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNostalgia Audio's BA-style micro-planar tweeter is a breakthrough in transducer technology, offering superior high-frequency extension and stable, distortion-free audio at higher SPLs than traditional BAs. It renders delicate, warm tones, capturing minute harmonic details. Its exceptional resolving power, expansive soundstage, and ultra-fast transient response create an immersive, live-concert atmosphere.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Fast Transients: Capturing Microscopic Detail\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NA20S, with its top-tier analytical power and astonishing response speeds, effortlessly captures subtle sonic cues like guitar pick friction or faint string vibrations. Its ultra-fast transient response technology flawlessly replicates instrumental agility and realism, delivering zero-latency, distortion-free precision crucial for professional musicians.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEffortless Drivability: Flagship Performance On-the-Go\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDespite complex architecture, the NA20S boasts outstanding drivability. Breakthroughs in its micro-planar drivers result in low impedance (26Ω) and high sensitivity (116dB), ensuring exceptional device compatibility. It can be effortlessly driven by portable mixers and smartphones, yet fully unleash its potential with high-end DAPs, offering full-bodied performance anywhere without specialized amplification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNostalgia Audio Fugue: Copper-Silver Hybrid Braid, Unleashing Monitoring Potential\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Nostalgia Audio Fugue is an advanced upgrade cable for the Professional S Series, enhancing instrumental monitoring resolution and layering. Built with Litz Type 4S structure, it combines 5N OFC C and high-purity Silver-Plated OFC. This hybrid braid uses copper for robust low-to-mid frequencies and silver plating for transparent highs, while the Litz structure suppresses signal degradation. Acoustically, it offers \"neutral balance and detail enhancement,\" providing solid lows, lush midrange, and smooth high-frequency extension for fatigue-free professional monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/Fugue_en.png?v=1768476579\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eDriver Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e 18 Balanced Armatures + 2 Micro-Planar Tweeters, 6-Way Crossover\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eFrequency Division:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e 2 Ultra-Low, 2 Low, 6 Mid, 4 Mid-High, 4 High, 2 Ultra-High\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eImpedance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e 26 Ohms @ 1 kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eFrequency Response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e 15 Hz - 45 kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eSensitivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e 116dB @ 1kHz, 1mW\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/20260407224449_471_16.jpg?v=1776081376\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003ePackage Contents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003eNA20S In-Ear Monitors\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003eCleaning Tool\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003eEarphone Pouch\u003c\/span\u003e\u003cspan lang=\"EN-US\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003ePortable Earphone Carrying Case\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003e3.5mm to 6.35mm Adapter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003e1.6m 3.5mm Silver-Plated Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003e4.4mm OFC \u0026amp; Silver-Plated OFC Hybrid Upgrade Cable (Fugue)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0cm;\" class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/p\u003e","brand":"Nostalgia Audio","offers":[{"title":"Default Title","offer_id":45050669596848,"sku":null,"price":25000.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/8620\/5872\/files\/20260408011254_514_16.jpg?v=1776080662","url":"https:\/\/nostalgiaaudio.com\/products\/na20s-custom","provider":"Nostalgia Audio","version":"1.0","type":"link"}