{"product_id":"fosi-t20x","title":"Fosi Audio T20X","description":"\n\u003cp\u003eFosi Audio T20X is a Bluetooth vacuum-tube integrated amplifier for passive speakers and wired headphones.\u003c\/p\u003e\u003cp\u003eIts upgraded 100W x2 output, replaceable tubes and bass\/treble controls create a compact all-in-one amplifier for desktop and bookshelf systems.\u003c\/p\u003e\n\u003ch2\u003eWhy it stands out\u003c\/h2\u003e\u003cp\u003eFour reasons this product deserves a place in a well-planned audio system.\u003c\/p\u003e\u003ch3\u003e100W x2 Maximum Output\u003c\/h3\u003e\u003cp\u003eThe Class D power stage provides more headroom than the T20 for compatible passive speakers.\u003c\/p\u003e\u003ch3\u003eReplaceable Tube Stage\u003c\/h3\u003e\u003cp\u003eTube rolling lets experienced users experiment with compatible tube options.\u003c\/p\u003e\u003ch3\u003eTwo Listening Outputs\u003c\/h3\u003e\u003cp\u003eDrive passive speakers or use the 3.5mm headphone connection from the same amplifier.\u003c\/p\u003e\u003ch3\u003eSimple Wireless and Analog Playback\u003c\/h3\u003e\u003cp\u003eBluetooth and analog input cover the most common phone, streamer and DAC setups without a complex interface.\u003c\/p\u003e\n\u003ch2\u003eBest for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBookshelf passive-speaker systems\u003c\/li\u003e\n\u003cli\u003eBluetooth desktop audio\u003c\/li\u003e\n\u003cli\u003eCombined speaker and headphone listening\u003c\/li\u003e\n\u003cli\u003eListeners wanting tube character with higher output than the T20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eNot ideal for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUsers requiring optical, USB or HDMI audio\u003c\/li\u003e\n\u003cli\u003eBalanced XLR systems\u003c\/li\u003e\n\u003cli\u003eTurntables without phono amplification\u003c\/li\u003e\n\u003cli\u003eSystems needing a dedicated subwoofer output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"emiuzek-product-content-images\" style=\"width:100%;max-width:1100px;margin:8px auto 32px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/T20X001_8.webp?v=1758633206\" alt=\"Fosi Audio T20X Bluetooth 5.0 tube amplifier performance\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/T20X001_3.webp?v=1758633206\" alt=\"Fosi Audio T20X tube amplifier controls and connections\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/T20X001_6.webp?v=1758633206\" alt=\"Fosi Audio T20X in desktop and bookshelf audio scenarios\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px;\"\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEMiUZEK Buying Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eT20X is an integrated amplifier and can directly drive compatible 2–8Ω passive speakers.\u003c\/li\u003e\n\u003cli\u003eIts analog input is line level; use a phono preamp with a conventional turntable.\u003c\/li\u003e\n\u003cli\u003eThe maximum output figure depends on speaker impedance, supply voltage and test conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan the T20X drive passive speakers?\u003c\/h3\u003e\u003cp\u003eYes. It is an integrated amplifier with passive-speaker outputs.\u003c\/p\u003e\u003ch3\u003eCan it connect to a turntable?\u003c\/h3\u003e\u003cp\u003eYes when the turntable has a built-in phono preamp or an external phono preamp is used.\u003c\/p\u003e\u003ch3\u003eDoes it include a headphone output?\u003c\/h3\u003e\u003cp\u003eYes, a 3.5mm wired headphone output is provided.\u003c\/p\u003e\u003ch3\u003eDoes it support optical or USB audio?\u003c\/h3\u003e\u003cp\u003eNo. Use Bluetooth or the analog input.\u003c\/p\u003e\u003ch3\u003eCan the vacuum tubes be replaced?\u003c\/h3\u003e\u003cp\u003eYes. Use compatible tubes and switch the amplifier off before tube replacement.\u003c\/p\u003e\u003ch3\u003eCan I connect an active subwoofer?\u003c\/h3\u003e\u003cp\u003eNo dedicated subwoofer output is specified; use a compatible system-level integration method.\u003c\/p\u003e\n\u003ch2\u003eHOW TO CONNECT\u003c\/h2\u003e\u003ch3\u003eBluetooth stereo\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Phone \/ tablet\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Bluetooth\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e Speaker terminals\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Passive speakers\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Keep initial volume low when pairing.\u003c\/p\u003e\u003ch3\u003eWired HiFi\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Streamer \/ DAC \/ CD player\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Analog line input\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e Speaker terminals\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Passive speakers\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Use a line-level source.\u003c\/p\u003e\u003ch3\u003eHeadphone system\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Bluetooth or analog source\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Bluetooth \/ line input\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e 3.5mm headphone output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Wired headphones\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Disconnect or lower speaker listening as appropriate.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ch3\u003eAmplifier\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBluetooth tube integrated amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eAmplifier Chip\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eTI TPA3221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eMaximum Output\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e100W x2 at 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e2–8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAudio\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e20Hz–20kHz (±1dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eTHD\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e≤0.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eSNR\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e≥86dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e≤650mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eConnectivity and Power\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBluetooth; analog line input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eOutputs\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003ePassive speaker terminals; 3.5mm headphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e24V\/4.5A included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eDC Input Range\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e12–30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eRecommended System Setup\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eSetup\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eConnection\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eWireless speaker system\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003ePhone → Bluetooth → T20X → passive speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eWired stereo\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eStreamer\/DAC → line input → T20X → passive speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eHeadphones\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eSource → T20X → 3.5mm headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eAdditional Product Content\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eT20X\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eT20\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222;\"\u003eP3\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eProduct Position\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eHigher-power tube integrated amp\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eCompact tube integrated amp\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eTube preamp \/ headphone amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003ePassive Speaker Amplifier\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eMaximum Speaker Output\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e100W x2 at 4Ω\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e50W x2 at 4Ω\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBluetooth, line input\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBluetooth 5.0, RCA\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBluetooth, RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eHeadphone Output\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e3.5mm\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e3.5mm\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eTone Controls\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBass, treble\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBass, treble\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBass, treble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eTube Rolling\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eCompatible tubes\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eCompatible tubes\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eCompatible tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eBest Use\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eMore speaker headroom\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eCompact speaker system\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top;\"\u003eExisting amplifier \/ active speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Fosi Audio","offers":[{"title":"Black \/ US","offer_id":43674008551517,"sku":"Fosi-Audio-T20X-Black-US","price":384.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ UK","offer_id":43674008584285,"sku":"Fosi-Audio-T20X-Black-UK","price":510.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ EU","offer_id":43674008617053,"sku":"Fosi-Audio-T20X-Black-EU","price":510.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ AU","offer_id":43674008649821,"sku":"Fosi-Audio-T20X-Black-AU","price":510.0,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Fosi_Audio_T20X_ea62dc10-377c-49da-8f44-897293c6b544.webp?v=1785381612","url":"https:\/\/emiuzek.com\/pt-br\/products\/fosi-t20x","provider":"EMiUZEK","version":"1.0","type":"link"}