{"title":"Study \u0026 Home Office","description":"\u003cp\u003eWhether you're reading, studying, or working from home, let the beautiful music carried by our audio products be your companion.\u003c\/p\u003e","products":[{"product_id":"fosi-audio-k5-pro-mini-stereo-gaming-dac-audio-for-pc","title":"Fosi Audio K5 Pro Gaming DAC Headphone Amplifier","description":"\u003cul\u003e\n\u003cli\u003eThe upgraded version for Fosi Audio Q4 adds microphone function, K5 Pro headphone DAC amp combo, next-generation audio converter with unrivaled internals, more outstanding performance, and richer audio details. Born for Gaming. K5 Pro stereo DAC headphone amplifier is perfect for your home gaming system, equivalent to an external sound card, suitable for PS5\/Computers\/PC\/MAC\/Nintendo Switch\/active speakers, etc;\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eK5 Pro USB DAC converts USB Type C\/Optical\/Coaxial signals to 3.5MM AUX and RCA signals with low distortion and great dynamic range. Unique design: 2-in-1 USB Type C interface charging port and audio input means K5 Pro is compatible with your phones. RCA output can be connected to an amplifier or powered speakers on your desktop. 3.5 MM AUX and microphone interface can drive 16 Ohm to 300 Ohm headphones;\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eK5 Pro headphone DAC adopts the Texas Instruments NE5532 op-amp chip. The circuit design implementing this DAC has been optimized for a low-noise floor and clean sound. Compared to the last generation Q4, K5 Pro has noticeably improved on overall sound quality, so you can get immersed in your music even more easily;\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Specifications: K5 Pro with master volume\/bass\/treble control and input mode switch. USB Type C\/Optical\/Coaxial sampling rate: up to 24 bit\/192 kHz, THD ≤0.003%, SNR ≥110dB. Output power: 1000mw@16Ω, 500mw@32Ω, 300mw@64Ω, 150mw@128Ω, 80mw@300Ω;\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat You Get: K5 Pro headphone DAC amp x1, 3.5MM headphone splitter x1, 2-in-1 USB Type A\/C to Type C cable x1, User Manual x1, Optical Cable x1, our worry-free 24-month warranty, and friendly customer service.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773278929114,"sku":"K5 Pro","price":79.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/K5PRO_90c5d510-0d80-4c07-bd7a-bd08b6c5499f.jpg?v=1776428586"},{"product_id":"fosi-audio-p3-tube-preamp","title":"Fosi Audio P3 Tube Preamplifier","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Tube Amplification:\u003c\/strong\u003e The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience. The unique preamplification technology delivers pure audio signals, faithfully reproducing crisp high tones, full midrange richness, and deep, rhythmic bass. \u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.1:\u003c\/strong\u003e Equipped with the Qualcomm QCC3031 chip, the P3 preamp guarantees impressive wireless sound quality and low latency, with compatibility for \u003cstrong\u003eaptX HD and aptX LL\u003c\/strong\u003e codecs formats. Furthermore, the inclusion of a manual reset button prevents accidental connections by others, enhancing connection reliability.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Connectivities:\u003c\/strong\u003e The P3 provides Bluetooth\/RCA inputs and RCA\/AUX OUT\/3.5mm headphone outputs. It can help create a 2.1-channel audio system by connecting active speakers\/an amplifier and a subwoofer. As a headphone amplifier, it supports headphones with impedance ranging from 16Ω to 300Ω.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Components:\u003c\/strong\u003e It utilizes ELNA audiophile-grade capacitors and taper A pot. The bass and treble controls boast central detents for tone-defeating. With an SNR of up to 103dB and a crosstalk of 95dB, it helps form a HiFi audio system when paired with the V3 amplifier of the same series.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat You'll Get:\u003c\/strong\u003e Fosi Audio P3 Tube Preamplifier x1, User Manual x1, 5654W Vacuum Tube x2, 12V\/1.5A Power Supply x1, a 24-month worry-free warranty and responsive customer service. \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773283516634,"sku":"P3+12V","price":99.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/P3_d5199d95-7499-45c3-ad49-fbb978856c72.jpg?v=1776428590"},{"product_id":"fosi-audio-sk02-desktop-dac-headphone-amp","title":"Fosi Audio SK02 Desktop DAC Headphone Amplifier","description":"\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCompact 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 a wide range of headphones and IEMs with an impedance range of 16-300 ohms.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eStunning 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.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eUser-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.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eRemarkable 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.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eExquisite 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.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/2_66a5a374-20a7-4afc-9282-28619b05d214.jpg?v=1708918180\" alt=\"SK02 headphone amplifier\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cimg alt=\"3.5mm Single-End and 4.4mm Balanced\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/5_7c01d691-b202-4498-9c4e-25dca23e5e49.jpg?v=1708918361\"\u003e\u003cimg alt=\"SABRE ES9038Q2M DAC \u0026amp; SGM8262 Op-Amps\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/6_ad0b0757-e892-4d20-a713-2898ab31d6f9.jpg?v=1708918382\"\u003e\u003cimg alt=\"Supports High-Res PCM384kHz \u0026amp; DSD256\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/8_13a3adcd-15c3-42be-8207-7499d2ef2235.jpg?v=1708918453\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/9_2048x2048.png?v=1708916866\" alt=\"Gain and Input\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSK02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB\/OPT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.5mm Headphone,\u003cbr\u003e4.4mm Headphone,\u003cbr\u003e3.5MM line out\/OPT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Output\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.5mm: 190mW@32Ω\u003cbr\u003e4.4mm: 755mW@32Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e20Hz-20kHz (±0.02dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤0.001% @ 1kHz \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e3.5mm Headphone: \u003cbr\u003eLow Gain:116dB \u003cbr\u003eHigh Gain:120dB \u003cbr\u003e\u003cbr\u003e4.4mm Headphone: \u003cbr\u003eLow Gain:110dB \u003cbr\u003eHigh Gain:115dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphone matching impedance\u003c\/td\u003e\n\u003ctd\u003e16-300Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC-USB Sampling Rate\u003c\/td\u003e\n\u003ctd\u003e32Bit\/384KHz DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOPT Sampling Rate\u003c\/td\u003e\n\u003ctd\u003e24Bit\/192KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC Chip\u003c\/td\u003e\n\u003ctd\u003eES9038Q2M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003e4.76*2*1.69inch\u003cbr\u003e(121*51*43mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.84lb\/380g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5V, USB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003eWhat‘s in the box？\u003c\/h4\u003e\n\u003cp\u003eItem Quantity Fosi Audio Sk02 Headphone Amp x 1, \u003cbr\u003e2-in-1 USB-A\/C to C Cable x 1, \u003cbr\u003eUser’s Manual x 1\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #51a1ba;\"\u003e\u003ca style=\"color: #51a1ba;\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/SK02_User_Manual.pdf\"\u003eSK02 User Manual\u003c\/a\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #51a1ba;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/SK02.zip?v=1709168833\" style=\"color: #51a1ba;\"\u003eSK02 Windows 7 Drivers\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\u003c\/table\u003e","brand":"Fosi Audio","offers":[{"title":"Obsidian","offer_id":47773279912154,"sku":"SK02","price":109.99,"currency_code":"EUR","in_stock":true},{"title":"Orange","offer_id":47773279944922,"sku":"SK02-O","price":109.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/SK02_b05d080d-15a5-4d58-9637-4ef3ed0df291.jpg?v=1776428562"},{"product_id":"bt20a-pro-2-channel-bluetooth-power-amplifier","title":"Fosi Audio BT20A Pro Bluetooth Stereo Power Amp","description":"\u003cul style=\"width: 95%; margin: 0 auto;\"\u003e\n\u003cli\u003e300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh Efficiency: A significant upgrade from the BT20A amplifier. There're two plug-ins NE5532 Op-Amps can be replaced by \u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #ff8000;\"\u003e\u003ca data-mce-fragment=\"1\" style=\"color: #ff8000;\" href=\"https:\/\/fosiaudioshop.com\/products\/op-amp-chip-muses02-opa2604ap-opa2134pa\" title=\"MUSES02\"\u003eSS3602\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca style=\"color: #ff8000;\" href=\"https:\/\/fosiaudioshop.com\/products\/op-amp-chip-muses02-opa2604ap-opa2134pa\" title=\"MUSES02\"\u003eMUSES02\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e,  \u003cstrong\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca style=\"color: #ff8000;\" title=\"OPA2134PA\" href=\"https:\/\/fosiaudioshop.com\/products\/op-amp-chip-muses02-opa2604ap-opa2134pa\"\u003eOPA2134PA\u003c\/a\u003e \u003c\/span\u003e\u003c\/strong\u003eOp-Amps, etc. To create a different sound quality. SNR≥108dB; THD≤0.005%.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUpgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat you Get: BT20A Pro Power Amplifier x1(The plug of the power adapter will match the country of your delivery address), Bluetooth Antenna x1, 32V 5A Power Adapter x1, AC Cord x1, User Manual x1, our worry-free 24-month warranty, and friendly customer service.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTips: If you don't require a Bluetooth amplifier as much, you can consider the \u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-tb10d-tpa3255-power-amplifier-300wx2-hifi-class-d-stereo-digital-audio-amp-2-0-channel-amplifier?\" title=\"TB10D\" style=\"color: #ff8000;\"\u003e\u003cstrong\u003eTB10D\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e. It has the same chip and power output, but at a more affordable price!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Blue \/ 32V 5A","offer_id":47773283614938,"sku":"BT20APRO-B+32V","price":119.99,"currency_code":"EUR","in_stock":true},{"title":"Blue \/ 48V 5A","offer_id":47773283647706,"sku":"BT20APRO-B+48V","price":149.99,"currency_code":"EUR","in_stock":true},{"title":"Blue \/ 48V 5A GaN","offer_id":47773283680474,"sku":"BT20APRO-B+48VGaN","price":169.99,"currency_code":"EUR","in_stock":true},{"title":"Blue \/ With No Power Supply","offer_id":47773283713242,"sku":"BT20APRO-B","price":89.99,"currency_code":"EUR","in_stock":true},{"title":"Gray \/ 32V 5A","offer_id":47773283746010,"sku":"BT20APRO-G+32V","price":119.99,"currency_code":"EUR","in_stock":true},{"title":"Gray \/ 48V 5A","offer_id":47773283778778,"sku":"BT20APRO-G+48V","price":149.99,"currency_code":"EUR","in_stock":true},{"title":"Gray \/ 48V 5A GaN","offer_id":47773283811546,"sku":"BT20APRO-G+48VGaN","price":169.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/BT20A_PRO.jpg?v=1776428586"}],"url":"https:\/\/eu.fosiaudio.com\/collections\/study-home-office.oembed","provider":"Fosi Audio EU","version":"1.0","type":"link"}