{"title":"Phono Preamplifier","description":"\u003cspan data-mce-fragment=\"1\"\u003eThe Preamp: The Command Center of your Stereo System which has a major influence on how your system sounds. Preamp select which audio source to listen to and provide you with useful features like tone controls. Most stereo preamps have fewer features than surround-sound processors, placing more emphasis on sound quality and analog audio performance. Audiophile preamps have both balanced and unbalanced analog inputs. If your power amps have balanced inputs, you will get the most benefit by choosing a preamp with balanced outputs. Others also include one or more digital inputs, and still others also feature a phono input (a special type of input that accepts the direct input from a turntable for playing vinyl albums).\u003c\/span\u003e","products":[{"product_id":"fosi-audio-bluetooth-phono-preamp-for-turntable-phonograph-preamplifier-with-ge5654-vacuum-tube-amplifier-audio-hifi-box-x3-diy","title":"Fosi Audio Box X3 Bluetooth Vacuum Tube Phono Preamp","description":"\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe Fosi Audio BOX X3 is a state-of-the-art phono preamp that uses Bluetooth 5.0 5725W tube technology for superior audio quality. This 2-in-1 preamp serves as both an MM turntable preamplifier and a Bluetooth 5.0 preamp, making it an essential component for the modern audiophile\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe tube phono preamp improves the audio quality of your MM turntable by converting the phono signal to a more manageable line level, resulting in better sound and increased volume levels for your home audio system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpgrade your home audio setup with the BOX X3 Bluetooth 5.0 tube preamplifier. With a 3.5mm line input, easily connect your latest devices for wireless Hi-Fi music streaming to powered speakers. Please note that an amplifier is required for passive speakers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eExperience exceptional sound quality with the BOX X3 phono preamp's ultra-low noise performance. Featuring 5725W vacuum tubes, this preamp produces a clean and warmer sound, allowing for perfect replication of your vinyl records' music. The built-in phono preamp circuitry is designed with high accuracy and conforms precisely to the RIAA standard, so you can enjoy a flawless listening experience every time\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eWhat You Get: BOX X3 mm phono preamp x1, 5725W Vacuum tubes x2, Bluetooth Antenna x1, power adaptor x1, user manual x1. Please note that the BOX X3 preamplifier is a Bluetooth receiver only\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/2_56deef17-3468-4b55-b19e-4fd0c17a7f4c.jpg?v=1745546559\"\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/3_50f3d124-4001-4710-86dd-6388fcd9e757.jpg?v=1745546559\"\u003e\u003cbr\u003eSpecifications\u003c\/h4\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\u003eBOX X3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Interface\u003c\/td\u003e\n\u003ctd\u003eRCA + 3.5MM AUX + Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Interface\u003c\/td\u003e\n\u003ctd\u003eRCA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eActive(powered) speakers, Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eStandard RIAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤ 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥ 98dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e0.71 lb\/320g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003e4.66 inch\/3.85 inch\/1.29 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003eAC 100V - 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Level\u003c\/td\u003e\n\u003ctd\u003e650 mV @3mV 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12V 1.5A\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\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox X3 Phono Preamp\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5725 Vacuum Tubes\u003c\/td\u003e\n\u003ctd\u003ex 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12V 1.5A Power Adapter\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\" alt=\"Download\" style=\"width: 30px; height: 30px;\"\u003e \u003ca href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/BOX_X3_User_Manual.pdf?v=1661567006\"\u003eBOX X3 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNotice:BOX X3 is only a preamplifier, not an amplifier, can not be connected with passive speakers directly, If you need to connect BOX X3 with passive speakers, you need to connect it with an amplifier then connect the amplifier with your passive speakers.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773277257946,"sku":"BOX-X3+12V","price":79.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/001_ab0b1be4-12d8-49d3-893c-db9548f612fd.jpg?v=1776428583"},{"product_id":"fosi-audio-phono-preamp-for-turntable-preamplifier-mm-phonograph-preamplifier-with-gain-gear-mini-stereo-audio-hi-fi-pre-amplifier-for-record-player-with-dc-12v-power-box-x2","title":"Fosi Audio Box X2 MM Turntable Phono Preamplifier","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-none\"\u003e\n\u003cli\u003e\n\u003cp\u003eTube MM Phono Preamplifier: This Fosi Audio phono preamplifier removes low-frequency noise and ensures clear sound quality by converting phono signals to line-level signals using high-quality components and low-noise integrated circuits. It is designed to safeguard your turntable thanks to its grounding post\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3 Switchable Gain Modes: You can switch between 3 modes: 39, 42, or 45 dB. High compatibility and customizable control are provided by the adjustable gain levels. Also, it has very good circuitry and entry-level, high-end analog sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTube Preamplifier: With a 3.5mm AUX input, it's also a tube preamp. Fosi Audio used high-quality component parts for the design and assemblage of this phono preamplifier. You can enjoy a very warm and smooth sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplicable Vacuum Tube Model: The compatible vacuum tube models are 6K4, 6J1, 6J4, GE5654, 6AK5, 66, etc. To make changes to your stereo system yourself, simply swap out the vacuum tubes. Consider that distinct tubes produce various sounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePackage Content: You will get 1 x Box X2 phono preamp, 2 x vacuum tubes, 1 x RCA cable, 1 x power adaptor, and 1 x user manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/001_4ecf75d1-9bda-492b-b892-53865c633b41.jpg?v=1745569020\" alt=\"\"\u003e\n\u003c\/h4\u003e\n\u003ch4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/003_1_6420f50f-f632-480c-8d8a-0c8d4afb8470.jpg?v=1745569020\" alt=\"\"\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/005_3_5e01bde1-b876-40f0-a5b2-4ea7bfefef33.jpg?v=1745569020\" alt=\"\"\u003e\u003cbr\u003eSpecifications\u003c\/h4\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\u003eBOX X2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Mode\u003c\/td\u003e\n\u003ctd\u003eRCA+3.5mm AUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003eActive Speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eStandard RIAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤ 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥ 98dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e0.66 lb\/300g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003e4.66 inch\/3.85 inch\/1.29 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003eAC 110V - 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Level\u003c\/td\u003e\n\u003ctd\u003e600 Mv @3mV 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12V 1.5A\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\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\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox X2 Phono Preamp\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum Tubes\u003c\/td\u003e\n\u003ctd\u003ex 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12V 1.5A Power Adapter\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRCA Cable\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg style=\"width: 30px; height: 30px;\" alt=\"Download\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\"\u003e \u003ca href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/BOX_X2_0916.pdf?v=1638177867\"\u003eBOX X2 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003ciframe width=\"480\" height=\"300\" src=\"https:\/\/www.youtube.com\/embed\/Rx3-dG4PQIE\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch3\u003eCompare with similar items:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-box-x1-phono-preamp-mm-turntable-preamplifer-with-3-5mm-aux-rca-output?_pos=2\u0026amp;_sid=d6baad285\u0026amp;_ss=r\" title=\"BOX X1-MM Phono Preamp\" target=\"_blank\"\u003eBOX X1-MM Phono Pream\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-bluetooth-phono-preamp-for-turntable-phonograph-preamplifier-with-ge5654-vacuum-tube-amplifier-audio-hifi-box-x3-diy?_pos=1\u0026amp;_sid=11e8574bd\u0026amp;_ss=r\" title=\"Box X3 Bluetooth Phono Preamp\" target=\"_blank\"\u003eBox X3 Bluetooth Phono Preamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Box X4 Phono Preamp with treble and bass control\" href=\"https:\/\/fosiaudio.com\/products\/phono-preamp-headphone-amplifier-with-jan-5654w-vacuum-tubes-for-mm-turntable-phonograph-preamplifier-for-record-player-with-volume-bass-treble-control-hi-fi-pre-amp-fosi-audio-box-x4?_pos=3\u0026amp;_sid=2bd1180e5\u0026amp;_ss=r\" target=\"_blank\"\u003eBox X4 Phono Preamp with treble and bass control\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773277978842,"sku":"BOX X2+12V","price":69.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/B07XNTHHBP.MAIN.jpg?v=1776428574"},{"product_id":"fosi-audio-box-x1-phono-preamp-mm-turntable-preamplifer-with-3-5mm-aux-rca-output","title":"Fosi Audio BOX X1 MM Turntable Phono Preamp","description":"\u003cul\u003e\n\u003cli\u003eConverts Phono Signals: Compact ultra-low noise phono turntable preamp that converts phono signals to line-level signals with Low-noise integrated circuits and high-quality components to remove low-frequency noise to ensure clear sound quality. Designed with a grounding post to protect your turntable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures Power Switch \u0026amp; 3.5MM Headphone Output: The unique power switch button design is very convenient to use. You can enjoy high-quality music with headphones through the 3.5 mm headphone output. Note: RCA line output and AUX headphone output can be output simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e3.5MM \/ RCA Output: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. Note: You can connect a power amplifier through the 3.5MM or RCA output, then connect the passive speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMM Phono Preamplifier \u0026amp; DC12V Power Adapter: Output Voltage Level: 2V max (P-P) at 10K Ohms, SNR: 70dB, THD: ≤0.08% @ 1kHz and 3mV, Frequency Response: Standard RIAA. Equipped with DC12V high-quality power supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eEasy quick setup for all MM (moving magnet) cartridges, Metal Aluminum case protects the unit from vibrations and electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" alt=\"Phono Preamp for Turntable with Volume Control Box X1\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/1_9e4799a0-f8ad-43d7-87ae-a5695566ec0a.jpg?v=1637654966\" data-mce-src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/1_9e4799a0-f8ad-43d7-87ae-a5695566ec0a.jpg?v=1637654966\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" alt=\"Phono Preamp for Turntable with Volume Control Box X1\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/2_737f42b9-b357-4c70-a42c-a28ecc6ebe33.jpg?v=1637654980\" data-mce-src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/2_737f42b9-b357-4c70-a42c-a28ecc6ebe33.jpg?v=1637654980\"\u003e\u003c\/div\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cbr\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\" data-mce-style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\" data-mce-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\u003eBOX X1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003e3.5MM headphone output + RCA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Mode\u003c\/td\u003e\n\u003ctd\u003eMM turntable input, Grounding post input, 12V DC input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eActive(powered) speakers, Headphone, Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eStandard RIAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤0.08% @ 1kHz and 3mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e70dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e0.35lb\/161g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003e3.94×0.98×2.17 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003eAC 100V - 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Level\u003c\/td\u003e\n\u003ctd\u003e2V max (P-P) at 10K Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12V 1.5A\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\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\" data-mce-style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox X1 Phono Preamp\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12V 1.5A Power Adapter\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003ciframe width=\"480\" height=\"300\" src=\"https:\/\/www.youtube.com\/embed\/HTRZAD1WACE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eCompare with similar items:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-phono-preamp-for-turntable-preamplifier-mm-phonograph-preamplifier-with-gain-gear-mini-stereo-audio-hi-fi-pre-amplifier-for-record-player-with-dc-12v-power-box-x2?_pos=3\u0026amp;_sid=d6baad285\u0026amp;_ss=r\" title=\"Box X2 HiFi MM Phonograph Preamplifier\" data-mce-href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-phono-preamp-for-turntable-preamplifier-mm-phonograph-preamplifier-with-gain-gear-mini-stereo-audio-hi-fi-pre-amplifier-for-record-player-with-dc-12v-power-box-x2?_pos=3\u0026amp;_sid=d6baad285\u0026amp;_ss=r\" target=\"_blank\"\u003eBox X2 HiFi MM Phonograph Preamplifier\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-bluetooth-phono-preamp-for-turntable-phonograph-preamplifier-with-ge5654-vacuum-tube-amplifier-audio-hifi-box-x3-diy?_pos=1\u0026amp;_sid=11e8574bd\u0026amp;_ss=r\" title=\"Box X3 Bluetooth Phono Preamp\" data-mce-href=\"https:\/\/fosiaudio.com\/products\/fosi-audio-bluetooth-phono-preamp-for-turntable-phonograph-preamplifier-with-ge5654-vacuum-tube-amplifier-audio-hifi-box-x3-diy?_pos=1\u0026amp;_sid=11e8574bd\u0026amp;_ss=r\" target=\"_blank\"\u003eBox X3 Bluetooth Phono Preamp\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773278437594,"sku":"BOXX1-MM","price":39.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/products_2_53266c06-03b8-4b31-baa5-887e8f77b279.jpg?v=1776428583"},{"product_id":"phono-preamp-headphone-amplifier-with-jan-5654w-vacuum-tubes-for-mm-turntable-phonograph-preamplifier-for-record-player-with-volume-bass-treble-control-hi-fi-pre-amp-fosi-audio-box-x4","title":"Fosi Audio Box X4 MM Turntable Phono Preamplifier","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\n\u003cp\u003e2021 NEW MODEL: The updated version for BOX X2. Next-generation phono preamp for unrivaled sound quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cp\u003eMM Phono Preamplifier: The BOX X4 phono preamp supports 3.5MM AUX and MM turntable input, converting phono signals to Line Level signals with low-noise integrated circuits and high-quality components to remove low-frequency noise ensure clear sound quality. Designed with a grounding post to protect your turntable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cp\u003eTube Headphone Amplifier \u0026amp; Preamplifier: The BOX X4 is designed with a 3.5MM AUX headphone and RCA output, highly useful beyond imagination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cp\u003eApplicable Vacuum Tube Model: \u003ca title=\"5654W\" href=\"https:\/\/fosiaudioshop.com\/collections\/other\/products\/tested-matched-pair-2-tubes-7-pin-ge-jan-5654w-fully-tested-vacuum-tubes-upgrade-for-6ak5-6j1-6j1p-ef95-ge-5654w-platinum-grade-pair\"\u003e5654W\u003c\/a\u003e\/6K4\/6J1\/6J4\/GE5654\/6AK5\/66*In vacuum tubes, etc. You can replace the vacuum tubes to DIY your stereo system. Different tubes with different sounds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat You Get: BOX X4 phono preamp, DC 12V power supply, user manual, our worry-free 24-month warranty, and friendly customer service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/A__2_970x600_861106ba-52ad-42b8-a691-8681e1492d7c.jpg?v=1637656233\" alt=\"Phono Preamp \u0026amp; Headphone Amplifier with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Preamplifier for Record Player with Volume Bass Treble Control Hi-Fi Pre Amp Fosi Audio Box X4\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cbr\u003eSpecifications\u003c\/h4\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\u003eBOX X4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable headphone types\u003c\/td\u003e\n\u003ctd\u003e16 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Mode\u003c\/td\u003e\n\u003ctd\u003eMM turntable + 3.5mm AUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003eRCA + 3.5mm headphone output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eActive(powered) speakers, Amplifier, Headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eStandard RIAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤ 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 70dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003e4.72 x 3.97 x 1.37 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003eAC 110V - 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Level\u003c\/td\u003e\n\u003ctd\u003e1kHz and 650mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12V 1.5A\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\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\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBOX X4 phono preamp\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum Tubes\u003c\/td\u003e\n\u003ctd\u003ex 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC 12V power supply\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser's Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg style=\"width: 30px; height: 30px;\" alt=\"Download\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\"\u003e \u003ca href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/BOX_X4_0621.pdf?v=1638177867\"\u003eBOX X4 User Manual\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773278339290,"sku":"Box X4","price":89.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/products_1_23f71b08-8ab3-4646-a3da-62a869a3e11b.jpg?v=1776428583"},{"product_id":"box-x5-phono-preamp","title":"Fosi Audio Box X5 Phono Preamplifier","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eHigh Performance: The BOX X5 phono preamp is compatible with both MM and MC cartridges, featuring 4 gain settings and an excellent precise RIAA equalization to provide a clean, direct pass-through of a signal when paired with your turntable\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eAudiophile-Grade Components: This preamp utilizes a variety of materials such as 2% Precision Polyester Film Capacitors, Green Sleeve Copper Lead Audio Capacitors, 0.1% High-Precision Film Resistors, OPA1612 Op-Amp, Gold-Plated RCA Jacks, and more. It picks up subtle and finite detail produced from it and delivers a truly warm and inviting sound\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMultiple Gain Settings: With 4-Level gain adjustment Asettings of 38\/48\/56\/66dB, the preamplifier accommodates both MM \u0026amp; MC cartridge types, meeting a variety of needs. This enhances your phono stage and helps in rebuilding the vintage stereo sound\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMini and Exquisite: It's built around a minimalist yet functional design featuring an all-aluminum alloy chassis. When paired with the V3 stereo amplifier, the BOX X5 can bring out the best in your vinyl playback, enhancing its frequency response and dynamic performance\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: It has an easy-to-use one-touch power button, gain control, and a convenient toggle switch to switch between MC and MM cartridges. In addition, the grounding port ensures that the connection is secure\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":47773285384410,"sku":"C.02.BOX X5.07","price":129.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/BOX_X5_086a001d-cf2b-478a-bd84-8cfe4cbae8e4.jpg?v=1776428570"}],"url":"https:\/\/eu.fosiaudio.com\/fr\/collections\/phono-preamplifier.oembed","provider":"Fosi Audio EU","version":"1.0","type":"link"}