{"product_id":"astell-kern-a-ultima-sp4000t-high-end-dap","title":"Astell\u0026Kern A\u0026ultima SP4000T Stainless Steel - High-End DAP","description":"\u003cp\u003e\u003cstrong\u003ePre-order available. Delivery July 2026\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/6a16ba9dab5f0_1779874461.jpg?v=1781780289\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eAstell\u0026amp;Kern A\u0026amp;ultima SP4000T\u003c\/b\u003e is a high-end digital audio player (DAP) that combines digital precision with analog tube warmth. As the industry’s first portable player, it uses four vintage vacuum tubes (\u003cb\u003eRaytheon JAN6418 Quad\u003c\/b\u003e) in a symmetrical dual-tube architecture for the left and right channels to eliminate housing vibrations (\"Microphonic Noise\") and double the sound.\u003c\/p\u003e\n\u003cp\u003eAdditionally, it offers a \u003cb\u003eTriple-AMP System\u003c\/b\u003e (OP-AMP, Tube-AMP, and Hybrid Mode) as well as a \u003cb\u003eTriple-Tube Mode\u003c\/b\u003e (Triode, Ultra Linear, Pentode) with up to 54 different sound settings. Technically based on Android 15, it uses separate high-end DACs (AK4191EQ \u0026amp; AK4499EX) and supports native DSD512 as well as 32-bit\/768kHz.\u003c\/p\u003e\n\u003ch2\u003eCore Features\u003c\/h2\u003e\n\u003ch3\u003eIndustry-First Innovations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eQuad Vacuum Tubes (Raytheon JAN6418):\u003c\/b\u003e Four extremely sensitive tubes operate in pairs in a mirror-symmetrical, differential configuration. This ensures channel separation like stationary high-end home amplifiers and cancels out noise mutually.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTriple-Tube Mode:\u003c\/b\u003e Three tube operating modes fundamentally change the sound character:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTriode Mode:\u003c\/b\u003e Focus on rich harmonic textures, ideal for vocals and gentle reverberation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUltra-Linear Mode:\u003c\/b\u003e The perfect balance between triode and pentode – powerful yet gently fading.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePentode Mode:\u003c\/b\u003e Maximum dynamics and power with direct, powerful sound without long reverberation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Triple-AMP System\u003c\/h3\u003e\n\u003cp\u003eThe player combines the best of both worlds through Astell\u0026amp;Kern’s \u003ci\u003eTeraton Alpha\u003c\/i\u003e technology:\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOP-AMP Mode:\u003c\/b\u003e Extremely low noise, maximum clarity, and enormous spatiality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTUBE-AMP Mode:\u003c\/b\u003e Authentic, warm, and deep analog sound of real tubes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHYBRID-AMP Mode:\u003c\/b\u003e A 5-stage adjustable mix of analog warmth and digital resolution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eTechnology \u0026amp; Anti-Vibration Architecture\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eMicrophonics Protection (2nd Generation):\u003c\/b\u003e To prevent noise caused by vibrations in four tubes, a 5-stage protection structure was developed. The tubes sit on flexible PCBs, are spring-mounted with silicone dampers, and are fully enclosed in a housing made of \u003cb\u003e99.9% pure copper\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHEXA-Audio Circuit:\u003c\/b\u003e Complete physical separation of digital and analog signals using two AK4191EQ (digital) and two AK4499EX (analog) processors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Driving Mode:\u003c\/b\u003e Switches OP-AMPs in horizontal parallel to increase dynamics and detail fidelity without worsening noise (SNR).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eESA (Enhanced Signal Alignment):\u003c\/b\u003e Minimizes frequency timing differences (\u003ci\u003eGroup Delay\u003c\/i\u003e), resulting in purer sound reaching the ear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnectivity \u0026amp; Comfort\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOperating System:\u003c\/b\u003e Custom \u003cb\u003eAndroid 15\u003c\/b\u003e with \u003ci\u003eAstell\u0026amp;Kern Direct Path (ADP)\u003c\/i\u003e, which bypasses Android sample rate conversion to ensure bit-perfect, lossless streaming (e.g., via Qobuz Connect or Roon Ready).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDisplay \u0026amp; Battery:\u003c\/b\u003e Large 6-inch Full HD display and USB PD 3.0 fast charging (fully charged in about 5 hours). A new flexible battery protection mode preserves battery life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Antenna Design:\u003c\/b\u003e Doubles the Wi-Fi download speed on the 5 GHz band.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e\"Burst\" Concept:\u003c\/b\u003e The case design visually represents an explosion of focused energy, centered around the distinctive volume wheel. On the back, the tubes softly glow through a viewing window during operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePremium Leather Case:\u003c\/b\u003e Included is a case made from vegetable-tanned Italian 'Minerva' leather from the traditional tannery \u003ci\u003eBadalassi Carlo\u003c\/i\u003e (color: Cognac), featuring a special cutout for the tube LED light.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Premium Leather Case\u003c\/h3\u003e\n\u003cp\u003eThe included leather case for the SP4000T is made from \"MINERVA\" leather by \"BADALASSI CARLO\"—a renowned leather workshop in the San Miniato district of Florence, Italy.\u003c\/p\u003e\n\u003cp\u003eBadalassi Carlo is a tannery that has been producing leather for over 40 years. It combines traditional Tuscan vegetable tanning methods with the theories and techniques of CARLO BADALASSI, a former professor at a leather school in the Santa Croce region.\u003c\/p\u003e\n\u003cp\u003eVegetable tanning is an environmentally friendly, slow, and time-intensive leather production process in which hides are tanned exclusively with plant-based tannin extracts. For Badalassi Carlo leather, the Tuscan Vacchetta technique is applied: after the hair is removed from the hide, tallow derived from bovine bone meal is added with plant oils during the tanning process.\u003c\/p\u003e\n\u003cp\u003eSince the workshop focuses more on small batches and high-quality production rather than mass production, it is considered a preferred leather craftsman for renowned brands that place the highest value on material quality.\u003c\/p\u003e\n\u003cp\u003eThe case is available in the color \"Cognac.\" It fits the entire device perfectly, offers an ideal fit, and features a patterned cutout on the back that beautifully highlights the warm glow of the tube LEDs.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/6a16bdb3ad4ef_1779875251.png?v=1781780081\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100.059%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eModel\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eSP4000T (PPF52)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eCase Color\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eSilver, Copper\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eCase Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eStainless Steel, Copper\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eDisplay\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003e6-inch 2K (\u003cspan class=\"math-inline\"\u003e$2160 \\times 1080$\u003c\/span\u003e) Touchscreen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eSupported Audio Formats\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eSample Rate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\n\u003cp\u003e\u003cb\u003ePCM:\u003c\/b\u003e 8 kHz ~ 768 kHz (8\/16\/24\/32 Bit per Sample)\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cb\u003eDSD Native:\u003c\/b\u003e DSD64 (1 Bit 2.8 MHz), Stereo \/ DSD128 (1 Bit 5.6 MHz), Stereo \/ DSD256 (1 Bit 11.2 MHz), Stereo \/ DSD512 (1 Bit 22.4 MHz), Stereo\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eOutput Level\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eUnbalanced 4.2 Vrms │ Balanced 8 Vrms (Condition: No Load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eCPU\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eOcta-Core (8 cores)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eDAC\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eAKM4191EQ x2 + AKM4499EX x2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eVacuum Tube\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eRAYTHEON JAN6418 x4 (Quad Tube)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eDecoding\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eSupports Bit-to-Bit Playback up to 32 Bit \/ 768 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eInput\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eUSB Type-C Input (for Charging, PC \u0026amp; MAC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eOutputs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\n\u003cp\u003eUnbalanced Output (3.5 mm), Optical Output (3.5 mm)\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eBalanced Output (4.4 mm, only 5-pin supported)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eWi-Fi\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003e802.11 a\/b\/g\/n\/ac\/ax (2.4 \/ 5 GHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eBluetooth\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eV5.2 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC, LHDC, SBC, AAC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eDimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003e85.7 mm [W] x 150 mm [H] x 19.5 mm [D] \u003ci\u003e(3.37” x 5.9” x 0.76”)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eapprox. 565 g \u003ci\u003e(19.9 oz)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eFeature Enhancements\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003eFirmware Upgrades Supported (via OTA \/ Over-the-Air)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.4145%;\"\u003e\u003cspan\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.1075%;\"\u003e\u003cspan\u003e0 °C ~ +40 °C \u003ci\u003e(32 °F ~ 104 °F)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ci\u003e(Frequency Response)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan class=\"math-inline\"\u003e$\\pm0.006\\text{ dB}$\u003c\/span\u003e (Condition: 20 Hz ~ 20 kHz) Unbalanced │ \u003cspan class=\"math-inline\"\u003e$\\pm0.006\\text{ dB}$\u003c\/span\u003e (Condition: 20 Hz ~ 20 kHz) Balanced\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan class=\"math-inline\"\u003e$\\pm0.06\\text{ dB}$\u003c\/span\u003e (Condition: 20 Hz ~ 70 kHz) Unbalanced │ \u003cspan class=\"math-inline\"\u003e$\\pm0.06\\text{ dB}$\u003c\/span\u003e (Condition: 20 Hz ~ 70 kHz) Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSignal-to-Noise Ratio (S\/N)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e124 dB @ 1 kHz, Unbalanced │ 125 dB @ 1 kHz, Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCrosstalk\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-136 dB @ 1 kHz, Unbalanced │ -145 dB @ 1 kHz, Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eTHD+N\u003c\/b\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ci\u003e(Total Harmonic Distortion + Noise)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0006% @ 1 kHz, Unbalanced │ 0.0004% @ 1 kHz, Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eIMD SMPTE\u003c\/b\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ci\u003e(Intermodulation Distortion)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0004% 800 Hz 10 kHz (4:1) Unbalanced │ Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eOutput Impedance\u003c\/b\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnbalanced Output 3.5 mm (0.7 Ohm) │ Balanced Output 4.4 mm (1.7 Ohm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eClock Jitter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 ps (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eReference Clock Jitter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 Femtoseconds \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBuilt-in Memory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e256 GB [NAND]\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eExternal Memory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003emicroSD x1 (Max. 1.5 TB)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCapacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7,450 mAh 3.8 V Lithium-Polymer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCharge Time\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eapprox. 5 hours (Charging via PD 3.0)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePlayback Time\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eapprox. 10 hours\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ci\u003e(Standard: FLAC, 16 Bit, 44.1 kHz, Volume 80, Display off, Low Gain)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio Essence","offers":[{"title":"Default Title","offer_id":56716373885314,"sku":null,"price":3249.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/6a16bae558f02_1779874533.png?v=1781780290","url":"https:\/\/audioessence.ch\/en\/products\/astell-kern-a-ultima-sp4000t-high-end-dap","provider":"Audio Essence","version":"1.0","type":"link"}