{"product_id":"fosi-audio-sp601","title":"Fosi Audio SP601 – 6.5″ HybridCone Bookshelf Speakers 80 W RMS","description":"\u003ch2 data-path-to-node=\"7\"\u003e1. Pure Analog Transparency\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eThe \u003cb data-path-to-node=\"8\" data-index-in-node=\"4\"\u003eFosi Audio SP601\u003c\/b\u003e is a high-fidelity fully balanced passive preamplifier designed for audiophiles who demand the shortest, cleanest signal path. As a passive controller, it requires no power supply, eliminating any possibility of active circuit noise or electronic interference. It is the ideal solution for controlling volume between your DAC and active speakers or power amplifiers while preserving the original sonic integrity.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"9\"\u003e2. Key Features \u0026amp; Technologies\u003c\/h2\u003e\n\u003ch4 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eFully Balanced Circuit Architecture\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003e4.4mm \u0026amp; XLR Compatibility:\u003c\/b\u003e Specifically engineered for the modern balanced ecosystem, the SP601 supports both \u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"110\"\u003e4.4mm Pentaconn\u003c\/b\u003e and \u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"130\"\u003e3-pin XLR\u003c\/b\u003e inputs\/outputs. This ensures superior common-mode rejection and a significantly lower noise floor compared to traditional RCA connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eTrue Balanced Attenuation:\u003c\/b\u003e Unlike budget controllers that convert signals to single-ended internally, the SP601 maintains a true balanced signal from input to output, preserving dynamic range and channel separation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eHigh-Precision Linear Volume Control\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eSmooth \u0026amp; Accurate Tuning:\u003c\/b\u003e Equipped with a premium high-precision potentiometer, the SP601 provides a silky-smooth tactile feel and exceptional channel matching. It ensures that even at low volumes, the left and right channels remain perfectly balanced without shifting the soundstage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eZero Distortion Performance:\u003c\/b\u003e By utilizing high-quality passive components, the SP601 achieves a \"wire-with-gain\" philosophy—it introduces \u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"138\"\u003e0dB of gain\u003c\/b\u003e and near-zero harmonic distortion, ensuring the output is an exact, attenuated replica of the input.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eBuilt for the Modern Desktop\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eCompact CNC Aluminum Chassis:\u003c\/b\u003e The enclosure is precision-machined from solid aluminum, providing a heavy, stable footprint on your desk and effective shielding against external EMI\/RFI noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003ePlug-and-Play Simplicity:\u003c\/b\u003e No drivers, no power cables, and no complexity. Simply connect your balanced sources and enjoy immediate, high-resolution volume management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"16\"\u003e3. Technical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"17\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,0,0\"\u003e\u003cb data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\"\u003eType\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,1,0\"\u003ePassive Balanced Preamplifier \/ Volume Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,0,0\"\u003e\u003cb data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\"\u003eInput Interface\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,1,0\"\u003e4.4mm Balanced, 3-pin XLR Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,0,0\"\u003e\u003cb data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\"\u003eOutput Interface\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,1,0\"\u003e4.4mm Balanced, 3-pin XLR Balanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,0,0\"\u003e\u003cb data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\"\u003eGain\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,1,0\"\u003e0dB (Passive)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,0,0\"\u003e\u003cb data-path-to-node=\"17,5,0,0\" data-index-in-node=\"0\"\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,1,0\"\u003e10Hz - 50KHz (Bit-perfect)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,0,0\"\u003e\u003cb data-path-to-node=\"17,6,0,0\" data-index-in-node=\"0\"\u003eTHD+N\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,1,0\"\u003e\u0026lt; 0.0001%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,0,0\"\u003e\u003cb data-path-to-node=\"17,7,0,0\" data-index-in-node=\"0\"\u003eChassis Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,1,0\"\u003eCNC Machined Aluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,8,0,0\"\u003e\u003cb data-path-to-node=\"17,8,0,0\" data-index-in-node=\"0\"\u003eDimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,8,1,0\"\u003e[Please insert actual dimensions from manual]\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e4. The Perfect Companion for Balanced Systems\u003c\/h2\u003e\n\u003cp data-path-to-node=\"19\"\u003eThe SP601 is designed to be the \"central hub\" of a high-end desktop setup. It perfectly complements Fosi Audio’s \"ZA3\" or \"V3\" amplifiers and flagship DACs. If your DAC lacks a physical volume knob or if you prefer the tactile precision of a high-quality analog dial over digital attenuation, the SP601 provides the most transparent and reliable solution available in its class.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"White \/ US","offer_id":43726291402845,"sku":null,"price":467.99,"currency_code":"USD","in_stock":true},{"title":"White \/ EU","offer_id":43726291435613,"sku":null,"price":467.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ US","offer_id":43726291468381,"sku":null,"price":467.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":43726291501149,"sku":null,"price":467.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/FosiAudioSP601-01.webp?v=1761112114","url":"https:\/\/emiuzek.com\/pt\/products\/fosi-audio-sp601","provider":"EMiUZEK","version":"1.0","type":"link"}