{"product_id":"astell-kern-ultima-sp3000m-kopie","title":"Astell\u0026Kern ULTIMA SP4000","description":"\u003ch2\u003eAstell\u0026amp;Kern A\u0026amp;ultima SP4000 - The New Benchmark for High-End Portable Audio\u003c\/h2\u003e\n\u003cp\u003eWith the \u003cstrong\u003eA\u0026amp;ultima SP4000\u003c\/strong\u003e, Astell\u0026amp;Kern presents its most advanced digital audio player to date. Developed three years after the groundbreaking SP3000, this new flagship redefines the possibilities of portable high-resolution playback. The SP4000 combines exceptional sound quality with state-of-the-art audio technology and luxurious craftsmanship – designed for music lovers who demand uncompromising quality, even on the go.\u003c\/p\u003e\n\u003cp\u003eFrom the completely redesigned signal architecture to the elegant housing design, every detail has been engineered to exceed the expectations of the most discerning audiophiles.\u003c\/p\u003e\n\u003ch2\u003eOcta Audio Architecture – Advanced Signal Processing\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the SP4000 is a new signal architecture: \u003cstrong\u003eOcta Audio Architecture\u003c\/strong\u003e. It combines \u003cstrong\u003eAK4191 Digital Processors\u003c\/strong\u003e with \u003cstrong\u003eAK4499EX DACs\u003c\/strong\u003e in a consistent \u003cstrong\u003e1:1 configuration\u003c\/strong\u003e, creating a true quad-DAC structure.\u003c\/p\u003e\n\u003cp\u003eThis architecture avoids the usual splitting of digital signals, which often causes additional interference. Instead, digital and analog signal processing work strictly separately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAK4191EQ\u003c\/strong\u003e handles digital signal modulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAK4499EX\u003c\/strong\u003e ensures precise analog conversion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is a particularly clean, detailed, and spatial sound reproduction with exceptional clarity.\u003c\/p\u003e\n\u003ch2\u003eHigh Driving Mode – Power and Control\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHigh Driving Mode\u003c\/strong\u003e uses a parallel OPAMP structure to increase output power without raising the noise floor.\u003c\/p\u003e\n\u003cp\u003eThis results in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003egreater dynamic range\u003c\/li\u003e\n\u003cli\u003eimproved detail resolution\u003c\/li\u003e\n\u003cli\u003epowerful and stable output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEven demanding headphones can be driven effortlessly, while fine nuances and musical dynamics are fully preserved.\u003c\/p\u003e\n\u003ch2\u003eESA Technology – Precise Signal Alignment\u003c\/h2\u003e\n\u003cp\u003eWith \u003cstrong\u003eESA (Enhanced Signal Alignment)\u003c\/strong\u003e, Astell\u0026amp;Kern addresses a known problem in digital signal processing: the so-called \u003cstrong\u003eGroup Delay\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eESA ensures that frequency components from different ranges arrive at the output \u003cstrong\u003eprecisely synchronous in time\u003c\/strong\u003e. This improves:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etiming and rhythmic precision\u003c\/li\u003e\n\u003cli\u003estereo imaging\u003c\/li\u003e\n\u003cli\u003etransparency and clarity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe music appears more immediate, natural, and spatially stable.\u003c\/p\u003e\n\u003ch2\u003eUltra-Low-Noise LDO Regulator\u003c\/h2\u003e\n\u003cp\u003eA newly developed \u003cstrong\u003eLow-Dropout Regulator (LDO)\u003c\/strong\u003e reduces power supply interference by up to \u003cstrong\u003e97% compared to previous models\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis technology, originally from high-precision applications such as medical technology or 5G communication, ensures in the SP4000:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea particularly stable voltage supply\u003c\/li\u003e\n\u003cli\u003eminimized electrical noise\u003c\/li\u003e\n\u003cli\u003eexceptionally pure sound reproduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDAR \u0026amp; VSE – Digital Refinement of Music\u003c\/h2\u003e\n\u003cp\u003eThe SP4000 features the \u003cstrong\u003esecond generation of Astell\u0026amp;Kern's DAR (Digital Audio Remaster) technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe process takes place in two steps:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirtual Sound Extender (VSE)\u003c\/strong\u003e reconstructs lost harmonic information and natural sound textures.\u003c\/li\u003e\n\u003cli\u003e\nThe \u003cstrong\u003eDAR-Engine\u003c\/strong\u003e then performs high-precision upsampling.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis combination ensures organic, musical reproduction with increased detail and emotional expressiveness.\u003c\/p\u003e\n\u003ch2\u003eAndroid with Bit-Perfect Streaming\u003c\/h2\u003e\n\u003cp\u003eFor the first time, an Astell\u0026amp;Kern player supports the \u003cstrong\u003eGoogle Play Store\u003c\/strong\u003e, allowing streaming apps to be installed directly.\u003c\/p\u003e\n\u003cp\u003eTo ensure Android does not compromise audio quality, the SP4000 uses \u003cstrong\u003eAstell\u0026amp;Kern Direct Path (ADP)\u003c\/strong\u003e technology. This bypasses the typical Android sample rate conversion and enables \u003cstrong\u003ebit-perfect playback\u003c\/strong\u003e – even when streaming.\u003c\/p\u003e\n\u003ch2\u003eHigh-Quality Construction Down to the Last Detail\u003c\/h2\u003e\n\u003cp\u003eThe SP4000 also sets new standards in terms of construction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAny Layer HDI PCB\u003c\/strong\u003e A high-density printed circuit board structure allows for a compact design with minimal signal loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e99.9% Copper Shielding\u003c\/strong\u003e Massive copper shielding effectively protects sensitive audio circuits from electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6-inch Full-HD Display\u003c\/strong\u003e The large display with \u003cstrong\u003e2160 × 1080 pixels\u003c\/strong\u003e provides a brilliant display of the user interface and simultaneously improves energy efficiency.\u003c\/p\u003e\n\u003ch2\u003eNew User Interface – 4.5 Generation UI\u003c\/h2\u003e\n\u003cp\u003eThe revised user interface combines a modern look with particularly intuitive operation.\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003eLP-inspired album browser\u003c\/strong\u003e visually centers the music collection, while the \u003cstrong\u003eCrimson Theme\u003c\/strong\u003e provides an elegant and calm display. The design philosophy is based on three principles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge\u003c\/strong\u003e – clear structure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple\u003c\/strong\u003e – intuitive navigation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensibility\u003c\/strong\u003e – pleasant visual representation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis reduces eye strain and simultaneously strengthens the emotional connection to the music.\u003c\/p\u003e\n\u003ch2\u003ePremium Leather Case from Perlinger\u003c\/h2\u003e\n\u003cp\u003eIncluded in the delivery is an exclusive leather case made from \u003cstrong\u003eShrunken Calf leather\u003c\/strong\u003e by the traditional German tannery \u003cstrong\u003ePerlinger\u003c\/strong\u003e, founded in 1864.\u003c\/p\u003e\n\u003cp\u003eThe leather is processed using a special chrome tanning and shrinking process, which preserves the natural grain. High-quality aniline dyes and proprietary pigments provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eexceptional durability\u003c\/li\u003e\n\u003cli\u003eintense color depth\u003c\/li\u003e\n\u003cli\u003eluxurious feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is a case that perfectly matches the high-quality appearance of the SP4000.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e256 GB internal memory\u003c\/strong\u003e + microSD up to \u003cstrong\u003e1.5 TB\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e6\" Full-HD Touchscreen (2160 × 1080)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePCM up to 32 Bit \/ 768 kHz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNative DSD512 Support\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBluetooth with aptX Adaptive and LDAC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi Dual Band (2.4 \/ 5 GHz)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUSB-DAC Function\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDLNA and USB Audio Output\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAK File Drop for wireless file transfer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBT Sink Mode\u003c\/strong\u003e – use as a Bluetooth DAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossfeed function\u003c\/strong\u003e for optimized headphone playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplayGain\u003c\/strong\u003e for automatic volume adjustment\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eapprox. 10 hours battery life\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQualcomm Quick Charge 3.0\u003c\/strong\u003e fast charging (approx. 4 hours)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eA\u0026amp;ultima SP4000\u003c\/strong\u003e is far more than a portable music player. It is an uncompromisingly developed high-end instrument for discerning music listening – a combination of state-of-the-art audio technology, luxurious design, and uncompromising sound quality. Whether streaming, listening to high-resolution music files, or critical listening: the SP4000 sets a new benchmark in the field of portable high-end audio.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":52835819356426,"sku":null,"price":4499.0,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":52835819389194,"sku":null,"price":4499.0,"currency_code":"EUR","in_stock":true},{"title":"Kupfer","offer_id":52835819421962,"sku":null,"price":4699.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/5340\/0586\/files\/astellkern_sp4000.webp?v=1775652386","url":"https:\/\/hifi.shop\/en\/products\/astell-kern-ultima-sp3000m-kopie","provider":"Hifi \u0026 Friends GmbH","version":"1.0","type":"link"}