{"product_id":"singxer-sa-1","title":"Singxer SA-1 V2 Fully Balanced Class A Headphone Amplifier","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        body {\n            font-family: Arial, sans-serif;\n            line-height: 1.6;\n            margin: 20px;\n            background-color: #f9f9f9;\n            color: #333;\n        }\n        .container {\n            max-width: 800px;\n            margin: 0 auto;\n            padding: 20px;\n            background: #fff;\n            border-radius: 10px;\n            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);\n        }\n        h2, h3 {\n            color: #0056b3;\n        }\n        ul {\n            list-style-type: none;\n            padding: 0;\n        }\n        ul li {\n            margin: 5px 0;\n        }\n        .highlight {\n            font-weight: bold;\n            color: #0056b3;\n        }\n        .features, .specifications, .description {\n            margin-top: 20px;\n        }\n        .note {\n            background-color: #ffefc6;\n            padding: 10px;\n            border-left: 4px solid #ff9900;\n            margin-bottom: 20px;\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003ch2\u003eSINGXER SA-1 V2 Balanced Headphone Amplifier Class A\u003c\/h2\u003e\n\u003cp\u003eIt have a upgrade version: \u003ca href=\"https:\/\/thehificat.com\/en-fr\/products\/singxer-sa-2-fully-balanced-class-a-headphone-amplifier\"\u003ehttps:\/\/thehificat.com\/en-fr\/products\/singxer-sa-2-fully-balanced-class-a-headphone-amplifier\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"description\"\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Singxer SA-1 V2 is a high-performance headphone amplifier and preamplifier based on a Class A architecture with fully balanced discrete circuits. This updated version features an optimized circuit design for lower output impedance and increased thrust, providing an exceptional audio experience for audiophiles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features\"\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Analog Amplifier:\u003c\/strong\u003e The SA-1 V2 is completely analog, avoiding EMI interference caused by digital control, ensuring pure audio signal transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROHM Input Transistors:\u003c\/strong\u003e Ensures very low noise and excellent performance, with an output stage utilizing multi-stage current amplification similar to high-power amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Power Output:\u003c\/strong\u003e Each channel incorporates 2 pairs of ON Semiconductor 4A transistors for low internal resistance and high output power, with comprehensive protection against overcurrent, overload, short-circuit, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Connectivity:\u003c\/strong\u003e The SA-1 V2 offers various inputs and outputs, including balanced XLR and unbalanced RCA inputs, as well as balanced 4.4mm jack, 4-pole XLR, and unbalanced 6.35mm jack headphone outputs. Additionally, it features unbalanced RCA and balanced XLR preamplifier outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance Selection:\u003c\/strong\u003e The front panel includes switches for selecting input source (RCA or XLR) and impedance mode (LOW-Z or HI-Z) to accommodate high-sensitivity or high-impedance headphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Circuit Design:\u003c\/strong\u003e The V2 version features an optimized PCB routing and DC bias design, enhancing DC performance and output capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Headphone amplifier, Preamplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplification Type:\u003c\/strong\u003e Class A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 1x Balanced XLR, 1x Unbalanced RCA\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e1x Balanced XLR (Preamplifier)\u003c\/li\u003e\n\u003cli\u003e1x Unbalanced RCA (Preamplifier)\u003c\/li\u003e\n\u003cli\u003e1x Balanced 4.4mm jack (Headphone)\u003c\/li\u003e\n\u003cli\u003e1x Balanced XLR 4-pole (Headphone)\u003c\/li\u003e\n\u003cli\u003e1x Unbalanced 6.35mm jack (Headphone)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eTHD+N:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e-120dB @ 1kHz, A-Weighting, 20Hz – 22kHz\u003c\/li\u003e\n\u003cli\u003e-96dB @ low gain, 1kHz, A-Weighting, 20Hz-22kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eNoise Level:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e0.66µV @ Max Output, SNR\/DNR 147dB\u003c\/li\u003e\n\u003cli\u003e300nV RMS @ Low Gain, A-Weighting, 20Hz-22kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNR:\u003c\/strong\u003e 147dB\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeadphone Output Power:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eBalanced output: 10000mW @ 16Ω\u003c\/li\u003e\n\u003cli\u003eBalanced output: 5500mW @ 32Ω\u003c\/li\u003e\n\u003cli\u003eBalanced output: 3100mW @ 68Ω\u003c\/li\u003e\n\u003cli\u003eBalanced output: 2000mW @ 120Ω\u003c\/li\u003e\n\u003cli\u003eBalanced output: 380mW @ 600Ω\u003c\/li\u003e\n\u003cli\u003eUnbalanced output: 500mW @ 16Ω\u003c\/li\u003e\n\u003cli\u003eUnbalanced output: 1375mW @ 32Ω\u003c\/li\u003e\n\u003cli\u003eUnbalanced output: 775mW @ 68Ω\u003c\/li\u003e\n\u003cli\u003eUnbalanced output: 500mW @ 120Ω\u003c\/li\u003e\n\u003cli\u003eUnbalanced output: 95mW @ 600Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eGain Levels:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eUnbalanced input, unbalanced output: low gain 0db, high gain 11db\u003c\/li\u003e\n\u003cli\u003eUnbalanced input, balanced output: low gain 6 dB, high gain 17 dB\u003c\/li\u003e\n\u003cli\u003eBalanced input, unbalanced output: low gain -6db, high gain 5db\u003c\/li\u003e\n\u003cli\u003eBalanced input, balanced output: low gain 0db, high gain 11db\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eOutput Impedance Levels:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eLow-impedance output: 1.4 ohms (balanced) and 0.7 ohms (unbalanced)\u003c\/li\u003e\n\u003cli\u003eHigh-impedance output: 11.4 ohms (balanced) and 10.7 ohms (unbalanced)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 100-240V AC, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 234 x 170 x 46mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.8kg\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e1x Singxer SA-1 V2\u003c\/li\u003e\n\u003cli\u003e1x Power cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/singxer-sa1-v2-backpanel-product-page.png?v=1724307645\" style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003eUltra-low distortion, the following figure shows the performance of APX555 test prototype:\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H1d8e85d1c6d54bbeaed4cdc4ca2598abM.png\"\u003e\u003c\/p\u003e","brand":"Singxer","offers":[{"title":"Default Title","offer_id":42541903380719,"sku":"50759563","price":599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/singxer-sa-1-v2-fully-balanced-class-a-headphone-amplifier-285062.jpg?v=1726128266","url":"https:\/\/thehificat.com\/pt\/products\/singxer-sa-1","provider":"The HiFi Cat","version":"1.0","type":"link"}