{"product_id":"fosi-p3","title":"Fosi Audio P3","description":"\u003cp\u003eFosi Audio P3 is a compact tube preamplifier and headphone amplifier with RCA and Bluetooth 5.1 source inputs.\u003c\/p\u003e\u003cp\u003eReplaceable 5654W tubes, aptX-family Bluetooth codecs, bass and treble controls and outputs for headphones, amplifiers and powered speakers make it a versatile analog control stage.\u003c\/p\u003e\u003ch2\u003eWhy it stands out\u003c\/h2\u003e\u003ch3\u003eTube preamplifier character\u003c\/h3\u003e\u003cp\u003eA true tube stage adds adjustable tube character between line-level sources and the rest of the audio system.\u003c\/p\u003e\u003ch3\u003eWireless and wired inputs\u003c\/h3\u003e\u003cp\u003eBluetooth 5.1 with Qualcomm QCC3031 and RCA input support convenient source switching.\u003c\/p\u003e\u003ch3\u003eHeadphone and system outputs\u003c\/h3\u003e\u003cp\u003eA 3.5mm headphone jack, RCA output and AUX output support personal listening and downstream components.\u003c\/p\u003e\u003ch3\u003eHands-on tone control\u003c\/h3\u003e\u003cp\u003eFront bass and treble controls help adapt sound to headphones, speakers and room conditions.\u003c\/p\u003e\u003ch2\u003eBest for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdding Bluetooth and tube character to a power amplifier\u003c\/li\u003e\n\u003cli\u003eDesktop wired headphone listening\u003c\/li\u003e\n\u003cli\u003eActive speaker systems needing volume and tone control\u003c\/li\u003e\n\u003cli\u003eUsers interested in replaceable tube tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNot ideal for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriving passive speakers directly\u003c\/li\u003e\n\u003cli\u003eTurntables without a phono preamp\u003c\/li\u003e\n\u003cli\u003eSystems requiring USB, optical or coaxial digital inputs\u003c\/li\u003e\n\u003c\/ul\u003e\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\/P3_002_92e0aac6-b04e-4159-a0fa-2128faee15ba.webp?v=1758589515\" alt=\"Fosi Audio P3 replaceable tube preamplifier and headphone 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\/P3_007_c70836f4-e0bc-4b76-a126-0d72e497e3b8.webp?v=1758589515\" alt=\"Fosi Audio P3 Bluetooth, RCA, headphone, RCA and AUX 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\/P3_008_a684dbd8-5d90-4cef-b551-8cbf3fbb4240.webp?v=1758589515\" alt=\"Fosi Audio P3 headphone, powered speaker and power amplifier setup scenarios\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px;\"\u003e\n\u003c\/div\u003e\u003ch2\u003eEMiUZEK Buying Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eP3 is a preamplifier\/headphone amplifier, not a speaker power amplifier.\u003c\/li\u003e\n\u003cli\u003eIts RCA input is line level; a standard turntable needs a phono preamp.\u003c\/li\u003e\n\u003cli\u003eRCA and AUX are downstream outputs, while the front 3.5mm jack is for headphones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eCan P3 drive passive speakers?\u003c\/h3\u003e\u003cp\u003eNo. Connect it to a separate power amplifier or powered speakers.\u003c\/p\u003e\u003ch3\u003eCan I use wired headphones?\u003c\/h3\u003e\u003cp\u003eYes. It supports 16–300Ω headphones through the front 3.5mm output.\u003c\/p\u003e\u003ch3\u003eDoes it accept digital inputs?\u003c\/h3\u003e\u003cp\u003eBluetooth is supported, but there is no USB, optical or coaxial input.\u003c\/p\u003e\u003ch3\u003eCan I connect a turntable?\u003c\/h3\u003e\u003cp\u003eOnly through a built-in or external phono preamp before the RCA input.\u003c\/p\u003e\u003ch3\u003eCan I connect an active subwoofer?\u003c\/h3\u003e\u003cp\u003eThe AUX or RCA line output can feed compatible downstream equipment; confirm the subwoofer's input and system gain arrangement.\u003c\/p\u003e\u003ch3\u003eAre the tubes replaceable?\u003c\/h3\u003e\u003cp\u003eYes. The supplied 5654W tubes are replaceable with compatible tube types.\u003c\/p\u003e\u003ch2\u003eHOW TO CONNECT\u003c\/h2\u003e\u003ch3\u003ePower amplifier system\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Streamer, DAC or Bluetooth device\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e RCA or Bluetooth\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e RCA output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Power amplifier → passive speakers\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e P3 controls source level; the power amplifier drives the speakers.\u003c\/p\u003e\u003ch3\u003ePowered speaker system\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Phone, streamer or DAC\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Bluetooth or RCA\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e RCA or AUX output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Powered speakers\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Begin with low volume on both devices.\u003c\/p\u003e\u003ch3\u003eHeadphone setup\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Phone, streamer or DAC\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Bluetooth or RCA\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e 3.5mm headphone output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e 16–300Ω wired headphones\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Use the front volume and tone controls.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ch3\u003eAudio performance\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eTube preamplifier \/ headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphone impedance\u003c\/td\u003e\n\u003ctd\u003e16–300Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphone output\u003c\/td\u003e\n\u003ctd\u003e250mW at 16Ω; 150mW at 32Ω; 32mW at 250Ω; 20mW at 300Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20Hz–20kHz (±1dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥103dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤0.02%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003e104dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003e95dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eConnectivity and power\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.1, RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003eRCA, AUX, 3.5mm headphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth chip\u003c\/td\u003e\n\u003ctd\u003eQualcomm QCC3031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth codecs\u003c\/td\u003e\n\u003ctd\u003eSBC, AAC, aptX, aptX HD, aptX LL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth range\u003c\/td\u003e\n\u003ctd\u003e≥10m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower input\u003c\/td\u003e\n\u003ctd\u003eDC 12V \/ 1.5A–3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eRecommended System Setup\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSetup\u003c\/th\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStereo preamp\u003c\/td\u003e\n\u003ctd\u003eSource → P3 → Power amplifier → Passive speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive speakers\u003c\/td\u003e\n\u003ctd\u003eSource → P3 → Powered speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphones\u003c\/td\u003e\n\u003ctd\u003eSource → P3 → Wired headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eAdditional Product Content\u003c\/h2\u003e\u003ch3\u003eFosi Audio product comparison\u003c\/h3\u003e\u003cp\u003eCompare Fosi Audio compact preamplifier and tube DAC options by the capabilities that determine how they fit into a system.\u003c\/p\u003e\u003cdiv style=\"max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"min-width:760px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"min-width:150px;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"min-width:190px;\"\u003eP3\u003c\/th\u003e\n\u003cth style=\"min-width:190px;\"\u003eP4\u003c\/th\u003e\n\u003cth style=\"min-width:190px;\"\u003eGR40\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct position\u003c\/th\u003e\n\u003ctd\u003eTube preamp + headphone amp\u003c\/td\u003e\n\u003ctd\u003eSolid-state analog preamp\u003c\/td\u003e\n\u003ctd\u003eTube DAC + headphone amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003eRCA\u003c\/td\u003e\n\u003ctd\u003eRCA × 3\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital \/ wireless inputs\u003c\/th\u003e\n\u003ctd\u003eBluetooth 5.1\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003eBluetooth, USB, optical, coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMain outputs\u003c\/th\u003e\n\u003ctd\u003eRCA, AUX\u003c\/td\u003e\n\u003ctd\u003eRCA, pre-out\u003c\/td\u003e\n\u003ctd\u003eRCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone output\u003c\/th\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker amplification\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube stage\u003c\/th\u003e\n\u003ctd\u003eYes, replaceable 5654W\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTone controls\u003c\/th\u003e\n\u003ctd\u003eBass and treble\u003c\/td\u003e\n\u003ctd\u003eBass and treble with bypass\u003c\/td\u003e\n\u003ctd\u003eBass and treble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemote control\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSNR\u003c\/th\u003e\n\u003ctd\u003e≥103dB\u003c\/td\u003e\n\u003ctd\u003e≥110dB\u003c\/td\u003e\n\u003ctd\u003e≥103dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest use\u003c\/th\u003e\n\u003ctd\u003eBluetooth tube preamp and headphones\u003c\/td\u003e\n\u003ctd\u003eMultiple analog source control\u003c\/td\u003e\n\u003ctd\u003eDigital sources with tube conversion\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":43674001866845,"sku":"Fosi-Audio-P3-Black-US","price":407.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ UK","offer_id":43674001899613,"sku":"Fosi-Audio-P3-Black-UK","price":407.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ AU","offer_id":43674001932381,"sku":"Fosi-Audio-P3-Black-AU","price":407.0,"currency_code":"BRL","in_stock":true},{"title":"Black \/ EU","offer_id":43674001965149,"sku":"Fosi-Audio-P3-Black-EU","price":407.0,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Fosi_Audio_P3.webp?v=1784691882","url":"https:\/\/emiuzek.com\/pt-br\/products\/fosi-p3","provider":"EMiUZEK","version":"1.0","type":"link"}