{"product_id":"astell-kern-hb1","title":"Astell\u0026Kern HB1 Portable Bluetooth DAC\/AMP","description":"\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7a34c733320010fd083e\/original.jpeg?1748859444\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7a34c733320010fd083e\/original.jpeg?1748859444\" class=\"ls-is-cached sl-lazyloaded\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan\u003eExperience the Freedom of Music\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAK HB1 is a portable Bluetooth DAC\/AMP that lets you effortlessly experience high-quality audio and Hi-Fi streaming services with\u0026nbsp;\u003c\/span\u003e\u003cspan\u003ethe best performance, all without the hassle of cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePair your mobile device to AK HB1 through Bluetooth and experience seamless, wireless Hi-Fi sound across various IEMs and headphones,\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eall facilitated by its compact, lightweight design and powerful built-in amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn addition to this, AK HB1 also delivers Astell\u0026amp;Kern's pristine sound quality via USB DAC functionality, and offers a seamless connection to gaming devices and immersive entertainment using microphones, transforming your mobile device into a hub of endless multimedia possibilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e3.5-mm and 4.4-mm Dual Output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports LDAC and aptX™HD for High-quality Bluetooth Sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFeatures ESS ES9281AC PRO DAC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeparate DAC and AMP for Premium Hi-Fi Experience\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlug \u0026amp; Play USB DAC Function\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInterchangeable Cable (Type-C and Lightning Cable Included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports UAC 1.0 (Gaming System)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClear and Vivid Voice in Calls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCar Mode Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-point Connection (Up To Two Devices)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMQA Renderer\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Bluetooth for\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eHi-Fi Sound\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 is equipped with Qualcomm's CSR8675 Bluetooth chipset, which supports the transmission of high-resolution audio sources, ensuring a stable connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eFrom LDAC, supporting 24 bit\/96 kHz, to the aptX™ HD codec offering stable 24 bit\/48 kHz support, AK HB1 accommodates an extensive selection of codecs, including the most commonly used AAC and SBC. This comprehensive codec support guarantees smooth wireless playback of high-resolution streaming audio from both smartphones and PCs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eFurthermore, AK HB1 features Bluetooth multi-point capability, allowing connection with up to two devices simultaneously. This feature allows you to effortlessly switch connections between various mobile devices, enabling scenarios like enjoying music from a tablet PC while concurrently receiving notifications and calls on your smartphone.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7afe1cd3ab000f0da1dc\/original.jpeg?1748859646\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7afe1cd3ab000f0da1dc\/original.jpeg?1748859646\" class=\"ls-is-cached sl-lazyloaded\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHi-Resolution Sound\u0026amp;nbsp;Unleashed by USB DAC\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 goes beyond simple Bluetooth playback, delivering outstanding, full high-resolution sound via USB DAC connection to PCs, smartphones, tablets, and more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eSupporting Native DSD256 and 32 bit\/384 kHz playback, AK HB1 ensures compatibility with a diverse range of high-quality audio sources, providing Astell\u0026amp;Kern's signature premium sound quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAdditionally, equipped with a renderer function that supports MQA 8X, AK HB1 enables MQA playback without the need for external DACs or playback devices. By simply connecting AK HB1 via cable to compatible devices, which support MQA unfolding, you can enjoy MQA audio playback through network-enabled apps and streaming services from anywhere.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e* To use AK HB1 as an H\/W MQA renderer, a compatible S\/W core decoder capable of unfolding MQA is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7b587801b2000e645ea3\/original.jpeg?1748859735\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/683d7b587801b2000e645ea3\/original.jpeg?1748859735\" class=\"sl-lazyloaded\"\u003e\u003cbr\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrecision DAC and AMP\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eDesign for Hi-Fi Sound\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 incorporates ESS’s ES9281AC PRO DAC for exceptional noise control and unparalleled ultra-high-quality Hi-Fi sound performance.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eAdding to this, AK HB1 introduces an exclusive AMP circuitry that supersedes the standard built-in DAC AMP.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eIts AMP enables a commanding 4 Vrms output (in Balanced connection) and dual connectivity options — 3.5 mm unbalanced and 4.4 mm balanced, catering to a wide range of IEMs and headphones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eWhile maintaining a compact form factor of 33 x 68.4 x 16.5 mm, we used micro resistors and capacitor parts to achieve a small footprint without compromising performance. Carefully selected ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create an optimal audio circuit design. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique power management technology to minimize current consumption in respect of the connected device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDual Noise Shielded Cable\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eTo ensure optimal usability across both Android and iOS devices without the need for additional adapters, AK HB1 features an interchangeable\u0026nbsp;\u003c\/span\u003e\u003cspan\u003ecable that readily supports Type-C and Lightning connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe AK HB1 features a dual shielded cable to minimize noise and deliver a more vivid, original sound.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAdditionally, the entire cable is wrapped in an aluminum film to block noise with an extra layer of shielding around the power cable to further minimize noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eFinished with a fabric jacket on top of the TPE jacket, the cable features enhanced durability and usability with perfect aesthetic appeal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410946af97f3000afe058c\/original.jpg?1749092678\" alt=\"HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410946af97f3000afe058c\/original.jpg?1749092678\" class=\"sl-lazyloaded\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eEasy and Convenient, USB\u0026nbsp;\u003c\/span\u003e\u003cspan\u003ePlug \u0026amp; Play\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 simplifies the transition between Bluetooth and USB cable connections by supporting USB Plug \u0026amp; Play functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eConnect AK HB1 to your PC or smart device using a USB cable to enjoy high-resolution sound while simultaneously controlling various settings and features through the app on your Bluetooth-connected smartphone. With BT Priority Mode enabled, AK HB1 seamlessly switches to Bluetooth mode, whenever a Bluetooth signal is received while using the USB DAC function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/6841099276bd50000aebd8cc\/original.jpeg?1749092754\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/6841099276bd50000aebd8cc\/original.jpeg?1749092754\" class=\"sl-lazyloaded\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cbr\u003eHigh Compatibility and Simultaneous Support for UAC 1.0 \u0026amp; 2.0 for Gaming\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eWhile modern smartphones, tablets, and PCs support UAC 2.0 connections, many gaming devices still exclusively support UAC 1.0 connections.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eTo cater to both scenarios, AK HB1 ensures compatibility by supporting both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eConnect AK HB1 to your gaming device such as PlayStation and Switch, and enjoy low latency and enhanced sound for an immersive gaming experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/684109ea616947000ce86250\/original.jpeg?1749092842\" alt=\"\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/684109ea616947000ce86250\/original.jpeg?1749092842\" class=\"sl-lazyloaded\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSeamless Experience,\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eExtended to Cars with\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eCar Mode\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eActivate AK HB1's dedicated Car Mode to enjoy high-quality DAC\/AMP sound effortlessly while at the wheel. Simply connect AK HB1 to your vehicle's AUX port, and its power automatically turns on\/off based on your vehicle's ignition, allowing you to enjoy audio from paired devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410a335bca4d0010244775\/original.jpeg?1749092915\" alt=\"HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410a335bca4d0010244775\/original.jpeg?1749092915\" class=\"sl-lazyloaded\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCrystal-Clear Voice Calls Thanks to High-sensitivity MEMS MIC\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 ensures crystal-clear voice quality and stability thanks to Knowles's high-quality MEMS microphone technology and Qualcomm's cVc Generation 8.0 call solution with Clear Voice Capture technology, which suppresses ambient noise while delivering clear vocals to the recipient.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eFurthermore, AK HB1 incorporates a 4-pole in-line MIC, enabling voice calls via wired earphones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eExperience enhanced call quality alongside AK HB1's exceptional Hi-Fi sound.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e* The in-line MIC functionality is only available while USB DAC is enabled. During Bluetooth (BT) connections, the built-in microphone of HB1 handles calls.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e* For 4-pole earphones, AK HB1 supports only CTIA-compliant earphones (OMTP-compliant products are not supported)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410a90a2ff41000f847ec4\/original.jpeg?1749093007\" alt=\"HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410a90a2ff41000f847ec4\/original.jpeg?1749093007\" class=\"sl-lazyloaded\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSmart Charging System\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAK HB1 automatically recognizes devices when they are connected via a USB cable, whether playback or charging devices, streamlining the charging process without requiring additional setting adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAlso, the charging mode can be turned on\/off to allow simultaneous playback and device charging, preventing battery depletion during playback.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e*\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e1. When connected to a charger via USB, it charges at normal speed (1 hour and 30 minutes to full charge).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e2. When connected to a playback device via USB, the charging speed is adjusted, and the charging mode can be turned on\/off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCharging Mode On : Charges HB1's battery using the playback device's battery power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCharging Mode Off : Operates only by AK HB1's battery without charging from external devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410aea2fb63f000a7133bf\/original.jpeg?1749093098\" alt=\"HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410aea2fb63f000a7133bf\/original.jpeg?1749093098\" class=\"sl-lazyloaded\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eLED Indicators for Real-time Status\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eTwo LED lights positioned on the side of the AK HB1 give you an overview of the current device status such as the file type being played and battery information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cstrong\u003e[ Status LED ]\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003ePCM (Red) \/ DSD (Blue) \/ MQA (Magenta)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e[ Power LED ]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCharging (Blinking white) \/ Fully charged (Constant blue) \/\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eLevel below 10% (Blinking red) \/ Level 11-20% (Constant red) \/\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e21-60% (Constant yellow) \/ 61-99% (Constant green) \/ 100% (Constant blue)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410b7ec19021000bbe6110\/original.png?1749093245\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68410b7ec19021000bbe6110\/original.png?1749093245\" class=\"sl-lazyloaded\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eEasy Configuration with Our Proprietary App\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eInstall the exclusive app to use various functions and enjoy easy setup.\u0026nbsp;\u003c\/span\u003e\u003cspan\u003eThe AK Control app is equipped with various newly developed user functions for the AK HB1.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eUsers now can conveniently control Device Priority, Volume Level, User EQ setup, Car Mode and DAC Filter setting, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/684119edefda61001111e05c\/original.jpg?1749096941\" alt=\"AK HB1\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/684119edefda61001111e05c\/original.jpg?1749096941\" class=\"sl-lazyloaded\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDESIGN\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe AK HB1 embodies Astell\u0026amp;Kern's design philosophy with inspiration from the architectural masterpiece \"Church of Light\" by Tadao Ando, known for its interplay of light and shadow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eEmbodying the essence of robustness and simplicity, much like concrete, the device showcases a sleek form that cleverly integrates buttons and earphone connections within the gaps between its front and back housings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe use of silver coloring between the front and rear surfaces creates an illusion of light gracefully flowing between the two facades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68411a3c8d408b000cd781b2\/original.jpeg?1749097020\" alt=\"HB1 Design\" data-src=\"https:\/\/img.shoplineapp.com\/media\/image_clips\/68411a3c8d408b000cd781b2\/original.jpeg?1749097020\" class=\"ls-is-cached sl-lazyloaded\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGeneral Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003cbr\u003eAK HB1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBody Color\u003c\/strong\u003e\u003cbr\u003eShadow Black\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003cbr\u003ePolycarbonate (Body) \/ Aluminum (Volume Wheel)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChipset : Qualcomm CSR8675\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVersion : 5.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCodec : LDAC, aptX™HD, aptX™, AAC, SBC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfile : A2DP, AVRCP, HFP\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003cbr\u003eESS ES9281AC PRO\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSample rate\u0026nbsp;\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutput Level\u003c\/strong\u003e\u003cbr\u003eUnbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003cbr\u003eUSB Type-C (Supports UAC 1.0 and UAC 2.0)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003cbr\u003e3.5mm (Supports CTIA standard 4-pole earphones\/headphones), 4.4mm (Only 5-pole supported)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e33 x 68.4 x 16.5mm (Excluding volume wheel)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e39.8 x 68.4 x 16.5mm (Including volume wheel)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003cbr\u003eAbout 40g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e\u003cbr\u003eFirmware upgrade supported\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAudio Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003cbr\u003e±0.135dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.136dB (Condition : 20Hz~20kHz) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS\/N\u003c\/strong\u003e\u003cbr\u003e117dB @ 1kHz, Unbalanced │ 118dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCrosstalk\u003c\/strong\u003e\u003cbr\u003e-112dB @ 1kHz, Unbalanced │ -112dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTHD+N\u003c\/strong\u003e\u003cbr\u003e0.0005% @ 1kHz, Unbalanced │ 0.0005% @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e\u003cbr\u003e0.0003% 800Hz 10kHz (4:1) Unbalanced │ 0.0003% 800Hz 10kHz (4:1) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003cbr\u003eUnbalanced Out 3.5mm (2.5ohm) │ Balanced Out 4.4mm (2ohm)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003cbr\u003e600mAh 3.8V Li-Polymer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCharge Time\u003c\/strong\u003e\u003cbr\u003eabout 1.5hours\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePlayback Time\u003c\/strong\u003e\u003cbr\u003eabout 6hours (Standard : AAC)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u0026nbsp;- Audio was NOT muted during the measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e- The image\/specification may be changed without notice to improve product performance and quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOriginal Hong Kong Authorized Product with\u0026nbsp;1-Year\u0026nbsp;Warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Astell\u0026Kern","offers":[{"title":"Default Title","offer_id":50750356685033,"sku":null,"price":1880.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/imgi_88_original.jpg?v=1774852155","url":"https:\/\/www.futex.hk\/en\/products\/astell-kern-hb1","provider":"Futex","version":"1.0","type":"link"}