{"product_id":"fosi-audio-sk02-usb-dac-headphone-amplifier-amp-audio-decoder-support-dsd-256-pcm-for-3-5mm-4-4mm-balanced-headphone","title":"ឧបករណ៍ពង្រីកសំឡេងកាសស្តាប់ត្រចៀក Fosi Audio SK02 USB DAC គាំទ្រ DSD 256 PCM សម្រាប់កាសស្តាប់ត្រចៀកដែលមានតុល្យភាព 3.5MM និង 4.4MM","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBackground Noise\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.5mm Headphone Jack: 3.7μV   4.4mm Headphone Jack: 12μV\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBluetooth\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBody Material\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ealuminum\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFosi Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBuilt-in Battery\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDAC Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eES9038Q2M\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDSD (Direct Stream Digital)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDimensions (WxHxD)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e121*51*43mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDistortion\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e≤0.001% @ 1kHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHeadphone Impedance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e16-300Ω\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUSB, OPT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUSB,OPTICAL\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC 5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSK02\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.5\/4.4mm Headphone Jack, 3.5mm AUX\/OPT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOPTICAL,LINE OUT (AUDIO OUT),Balanced Out\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.5MM:280mW\/32ohm 4.4MM:1100mW\/32ohm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePCM\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYES\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRecommended Headphone Maximum Impedance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e251 - 300 Ohm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSNR 3.5mm Headphone Jack\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow Gain: 116dB    High Gain: 120dB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSNR 4.4mm Headphone Jack\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow Gain: 110dB     High Gain: 116dB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSignal To Noise Ratio\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.5mm:120dB 4.4mm:115dB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMini Amplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWIFI\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003efeature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePortable headphone amp,Desktop headphone amp,USB DAC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003efrequency response\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20Hz-20kHz(±0.02dB)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000000920131\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin:10px auto 0px;margin-bottom:0px;margin-top:10px;margin-left:auto;margin-right:auto;display:inline-block;max-width:100%\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv style=\"margin:10px auto 0px;margin-bottom:0px;margin-top:10px;margin-left:auto;margin-right:auto;display:inline-block;max-width:100%\"\u003e\u003cdiv\u003e \u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv class=\"detailmodule_media\"\u003e\u003cdiv class=\"video-container-5000249536538\"\u003e\u003cdiv class=\"detail-video\" id=\"5000249536538\" data-previewurl=\"https:\/\/ae01.alicdn.com\/kf\/Sc63d6d13f68a4bd9bd6389b32ed93aecY.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eFosi Audio SK02 DAC Headphone Amplifier Preamp Support DSD 256 PCM For 3.5MM \u0026amp; 4.4MM Balanced Headphone\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style='color:rgb(192, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003eNotice: If you choose to ship from the Brazil warehouse, Aliexpress currently does not offer the option of collecting and paying ICMS fees on behalf of the buyer. If it is found later by the tax authorities that ICMS fees need to be paid, the buyer is responsible for paying them, and the seller will not bear the responsibility. if you mind to pay 18% of the ICMS fee, please choose to ship from China, thank you for your understanding!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cstrong\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e*Compact Yet Powerful: The SK02 employs a minimalist and stylish design language. Despite its small size, it boasts mighty features. It supports DSD256 and PCM 32bit\/384kHz high-resolution decoding, along with 3.5mm single-ended and 4.4mm balanced headphone outputs. Its robust power can easily drive wide range of headphones and IEMs with an impedance range of 16-300 ohms.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e*Stunning Performance: It features a high-end ESS SABRE ES9038Q2M DAC and SGM8262 op-amps. Its excellent circuit design ensures superior parameters with a SNR as high as 120dB, a low noise floor of only 3.7μV, and an incredibly low THD of 0.001%. The 4.4mm balanced output power reaches an impressive 1100mW at 32 ohms. The exceptional high-resolution capability and pure sound quality make every listening experience an extraordinary sensory journey.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e*User-Friendly Design: The SK02 requires no drivers and offers plug-and-play convenience. It integrates a big multi-functional control knob, allowing easy access to power on\/off, play\/pause, and volume adjustments. The unit features quick-switch buttons for high\/low gain and input modes. Additionally, its colorful indicator lights enable effortless identification of the current working mode and the song's sampling rate.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e*Remarkable Versatility: Supports USB and optical input, widely applicable for decoding with computers, laptops, CD players, TVs, and projectors. Not only can it function as a headphone amplifier, but it can also serve as a preamp, pairing with active speakers or an amplifier like Fosi Audio V3, ZA3, TB10D amp and passive speakers to form a desktop listening or home audio system.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e*Exquisite and Durable: The SK02 is crafted from a single piece of aluminum alloy using CNC machining and a delicate sandblasting process. This not only gives it an exquisite appearance but also ensures lasting durability. In addition, Fosi Audio pledges to provide a 24-month worry-free warranty and responsive customer service to all users.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:22px\"\u003eHighlight:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eModel: SK02\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003eInput : USB\/OPT\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003eOutput : 3.5mm Headphone, 4.4mm Headphone, 3.5MM line out\/OPT\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003ePowe Supply:5V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003ePower Input Interface: USB Type-C \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eTHD≤0.001% @ 1kHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eSNR: \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e      3.5mm Headphone: Low Gain:116dB  High Gain:120dB\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e      4.4mm Headphone: Low Gain:110dB  High Gain:115dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eFrequency response: 20Hz-20kHz (±0.02dB)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eAmp output maximum power: \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e        3.5MM：\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"a-list-item\" style=\"color:rgb(244, 78, 59)\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px\"\u003e\u003cstrong\u003e\u003cspan style='color:rgb(244, 78, 59);font-family:\"times new roman\", times, serif'\u003eHigh Gain: 280mW@32Ω, 130mW@64Ω, 40mW@250Ω, 30mW@300Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\" style=\"color:rgb(244, 78, 59)\"\u003e\u003cspan style='color:rgb(244, 78, 59);font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px\"\u003e\u003cstrong\u003e                        Low Gain: 90mW@32Ω, 50mW@64Ω, 15mW@250Ω, 10mW@300Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e        4.4MM：\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"a-list-item\" style=\"color:rgb(244, 78, 59)\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px\"\u003e\u003cstrong\u003e\u003cspan style='color:rgb(244, 78, 59);font-family:\"times new roman\", times, serif'\u003eHigh Gain: 1100mW@32Ω, 550mW@64Ω, 150mW@250Ω, 120mW@300Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\" style=\"color:rgb(244, 78, 59)\"\u003e\u003cspan style='color:rgb(244, 78, 59);font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px\"\u003e\u003cstrong\u003e                        Low Gain: 350mW@32Ω, 180mW@64Ω, 50mW@250Ω, 40mW@300Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eHeadphone matching impedance: 16-300Ω\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003ePC-USB Sampling Rate: 32Bit\/384KHz DSD256\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eOPT Sampling Rate: 24Bit\/192KHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003eDAC Chip: ES9038Q2M\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan class=\"a-list-item\" style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cspan class=\"a-size-base\"\u003eSize (L*W*H): 4.76*2*1.69inch (121*51*43mm)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan class=\"a-list-item\" style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cspan class=\"a-size-base\"\u003eNet Weight: 0.84lb\/380g \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:22px\"\u003ePackage Include:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-size-base\"\u003e*1x Fosi Audio Sk02 Headphone Amp\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-size-base\"\u003e*1x 2-in-1 USB Type-A\/C to Type-C Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-size-base\"\u003e*1x User’s Manual\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-size-base\"\u003eQA\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ1:Why isn't my SK02 working?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003ePress and hold the volume button for 3 seconds to power on.\u003c\/div\u003e\n\u003cdiv\u003ePlease make sure the 2-in-1 USB Type-C plug is fully inserted into the source device.\u003c\/div\u003e\n\u003cdiv\u003eRestart your computer and reconnect the SK02, then select SK02 as the sound output device.\u003c\/div\u003e\n\u003cdiv\u003eIf you're using an Android phone, check that both USB debugging and OTG functions are enabled in your phone settings.\u003c\/div\u003e\n\u003cdiv\u003eAlso, try using a different USB OTG cable to rule out any cable-related issues.\u003c\/div\u003e\n\u003cdiv\u003eTry to connect it to different sources.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ2：Is it normal for the knob to make noise when turning?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt is normal for the knob to make noise when turned, as this knob is designed to be omnidirectional.\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd19cac695b5245b1bc70de26dfe5ac67B.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5724409fb3e449bc90835063c15ba3a3O.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1fae1588cc1b434a8f90be1f8f3eb4afv.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfaba5410139a4ca5914f76685866e70b0.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S57240465765f4a5e9287cc106116f918P.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf6bc70123e9d40c88c747ebba350ed144.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1eaded575794491c9bd8d1570548581bE.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S738aa834ba1d4393a4aa60df0b7bd7e8L.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf5ad96c6066344338262cbeb2550d51dK.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S904caa563be84a38b87eb5d5ccd916cfN.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S489c58c71eab4964b90f388422c3cad66.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S68fb82f7ed604545835600875dfa642bJ.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S214d1f02ff434835b19dcd3d8b43fc1fU.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sec8b764b20734cd0a0a62154eb76223dJ.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf8ba4c7b66494ddf9991c9d7b2601e12r.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1ce35568055141d783db8157b2ccc0c7t.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S50c31fec21824d3fbd9e08bf250c46a3O.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd4c9d0cbf8804171a2a5d980ce7e2cfdC.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S44e7a91919194ca193a4c2f261321781x.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5e2135cb563d4d559f197e2e026441f3D.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sec9e92217a234cd582ec7f7472925111G.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8f0c8677ee574a1281e17e875c7b49fd3.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb0e3cc79f5b4405385dff8debbb6dc8d8.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2eaba03695294f96b1afc2cb393b96edP.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S48276bcf77ed468ea968d9cf929ed439E.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa2eec189330e4f3e9ddc7991cd7b2987y.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000024963203\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Fosi","offers":[{"title":"SK02- orange \/ China Mainland","offer_id":46737987338436,"sku":"1005006592395441-SK02- orange-China Mainland","price":81.99,"currency_code":"USD","in_stock":true},{"title":"SK02-Black \/ China Mainland","offer_id":46737987698884,"sku":"1005006592395441-SK02-Black-China Mainland","price":81.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2430\/7881\/files\/Ade0dcff24381410f9c01937c08c18703a.webp?v=1789705667","url":"https:\/\/www.darahub.com\/products\/fosi-audio-sk02-usb-dac-headphone-amplifier-amp-audio-decoder-support-dsd-256-pcm-for-3-5mm-4-4mm-balanced-headphone","provider":"DARAHUB","version":"1.0","type":"link"}