{"product_id":"fosi-audio-box-x3-tube-mm-phono-preamplifier-bluetooth-5-0-with-power-adapter","title":"Fosi Audio BOX X3 Tube MM Phono Preamplifier Bluetooth 5.0 with Power Adapter","description":"\u003cp\u003eWarm up your vinyl setup with the \u003cstrong\u003eFosi Audio BOX X3\u003c\/strong\u003e, a compact tube MM phono preamp with added Bluetooth and AUX flexibility. This mini hi-fi preamp is designed for moving-magnet turntables and also lets you stream wirelessly or connect a 3.5mm source, making it a versatile addition to a vintage or modern stereo system. Bass, treble, and volume controls let you fine-tune the sound, while the compact footprint fits easily into tight audio setups. Fully tested, refurbished, and \u003cstrong\u003eSPENCERTIFIED\u003c\/strong\u003e for reliable everyday listening.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003eCONDITION\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eSPENCERTIFIED\u003c\/b\u003e\u003cspan style=\"font-weight: 400;\"\u003e- Fully certified by Spencer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eRefurbished and \u003c\/span\u003e\u003cb\u003eSPENCERTIFIED\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e100% tested and functional. Controls and switches cleaned with WD-40 Specialist Electrical Contact Cleaner. Internal boards and connections inspected, and MM phono input, Bluetooth pairing, AUX input, RCA output, and tone controls verified for proper operation.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCosmetic Condition: 9\/10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFunctional Condition: 10\/10\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003eWHAT'S IN THE BOX?\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003eFosi Audio BOX X3 Tube MM Phono Preamplifier Bluetooth 5.0 with Power Adapter\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003eAnalog Audio Cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003eOther information about the Fosi Audio BOX X3\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Adapter Input \/Voltage Range: \u003c\/strong\u003eAC 100V – 240V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDC Input Voltage: \u003c\/span\u003e\u003c\/strong\u003e12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eOutput Voltage Level: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e1kHz and 650mV\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSNR: \u003c\/span\u003e\u003c\/strong\u003e70dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTHD: \u003c\/span\u003e\u003c\/strong\u003e≤0.1%\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBass control\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTreble Control\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqualization: \u003c\/strong\u003eStandard RIAA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003eDIMENSIONS\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3.97\" W x 4.72\" D x 1.37\" H\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.75 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003eINPUTS\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAUX x1 (front)\u003c\/li\u003e\n\u003cli\u003ePhono x1 L\/R (back)\u003c\/li\u003e\n\u003cli\u003eGND x1 (back)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003eOUTPUTS\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAnalog Audio x1 L\/R (back)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SpenCertified","offers":[{"title":"Default Title","offer_id":50526190993652,"sku":null,"price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1683\/2705\/files\/Fosi-Audio-BOX-X3-Tube-MM-Phono-Preamplifier-Bluetooth-5_0-with-Power-Adapter-Audio-Video-Receivers.jpg?v=1790206107","url":"https:\/\/spencertified.com\/products\/fosi-audio-box-x3-tube-mm-phono-preamplifier-bluetooth-5-0-with-power-adapter","provider":"SpenCertified","version":"1.0","type":"link"}