{"product_id":"smsl-su-1","title":"SMSL SU-1 MQA Audio DAC | AK4493S Chip USB Interface","description":"\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5b834b0c13694ccfaba2675d20511eb2U.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1e6d0d0cba6346b483e401c92ffbebf1v.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S227de9055655435fb13ef6505209831en.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se0f856df11354bb18ba325a8b61a3c0aL.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9e463dc4c42045e397db88993f29d220d.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa2939d51a66f4bb89bb785dfa4659b57W.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S701aa5fa313d4403b848c6e536a669e6M.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S19827ca57f9e48b4930033137d429afaf.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S97d8f3a5bdbf442ab43834d701a710b2f.jpg\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSMSL SU-1 Mini Audio DAC\u003c\/h2\u003e\n\u003cp\u003eThe S.M.S.L SU-1 represents an exceptional entry point into high-performance digital-to-analog conversion, combining advanced AKM silicon with a compact, bus-powered design. Designed for desktop audiophiles and space-conscious setups, it delivers clean resolution, ultra-low distortion, and an impressive soundstage that elevates your digital music collection.\u003c\/p\u003e\n\u003ch3\u003eAdvanced AK4493S DAC Architecture\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the SU-1 is AKM’s high-performance AK4493S digital-to-analog converter chip, paired with a modern third-generation XMOS XU-316 USB processor. This meticulously engineered configuration drastically reduces noise interference and digital jitter. The result is a pure, transparent, and lifelike audio reproduction with refined texture and spatial accuracy.\u003c\/p\u003e\n\u003ch3\u003eMQA and High-Resolution Audio Decoding\u003c\/h3\u003e\n\u003cp\u003eThe SU-1 provides comprehensive hardware support for the industry's most demanding formats. It natively decodes PCM audio up to 32-bit\/768kHz and Direct Stream Digital up to DSD512. Additionally, full MQA and MQA-CD decoding capabilities allow listeners to stream or play back studio-original master recordings precisely as the artist intended.\u003c\/p\u003e\n\u003ch3\u003eLow-Noise Power Design and High-Precision Clock\u003c\/h3\u003e\n\u003cp\u003eTo ensure absolute signal integrity, the SU-1 incorporates a discrete low-noise power supply system alongside high-precision audio clock oscillators. These specialized components maintain exceptional stability, virtually eliminating phase noise and ensuring pristine clock precision across all digital inputs.\u003c\/p\u003e\n\u003ch3\u003eVersatile Triple Digital Inputs\u003c\/h3\u003e\n\u003cp\u003eDesigned as a flexible digital audio companion, the SU-1 offers a full array of digital inputs to connect seamlessly to various sources:\u003c\/p\u003e\n\u003cp\u003eUSB Input: Powered by XMOS XU-316 supporting high-resolution PCM and native DSD.\u003c\/p\u003e\n\u003cp\u003eOptical Input: Ideal for connecting digital audio players, TVs, or game consoles. \u003c\/p\u003e\n\u003cp\u003eCoaxial Input: Provides a stable, high-fidelity interface for standard digital audio transports.\u003c\/p\u003e\n\u003ch3\u003eCompact and Durable CNC Aluminum Chassis\u003c\/h3\u003e\n\u003cp\u003eThe enclosure is precision-milled from high-grade aluminum using advanced CNC machining. This robust, space-saving design not only offers a sleek, modern aesthetic but also provides exceptional structural rigidity and superior shielding against external electromagnetic interference (EMI\/RFI).\u003c\/p\u003e\n\u003ch3\u003eAbout SMSL\u003c\/h3\u003e\n\u003cp\u003eFoshan ShuangMuSanLin Electronics Co., Ltd. (SMSL) is an established manufacturer in high-fidelity desktop audio. Specializing in digital-to-analog converters, balanced headphone amplifiers, and power amps, SMSL has built a global reputation for combining rigorous bench performance, clean industrial design, and practical feature sets across various price tiers.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eInput: USB \/ Optical \/ Coaxial\u003c\/p\u003e\n\u003cp\u003eOutput: RCA THD+N: 0.00013% (-117dB)\u003c\/p\u003e\n\u003cp\u003eDynamic Range: 121dB\u003c\/p\u003e\n\u003cp\u003eSNR: 121dB \u003c\/p\u003e\n\u003cp\u003eUSB Compatibility: Windows 7\/8\/8.1\/10\/11, Mac OS X, Linux\u003c\/p\u003e\n\u003cp\u003eSampling Rate (USB): PCM up to 32-bit\/768kHz, DSD up to DSD512 (DoP256)\u003c\/p\u003e\n\u003cp\u003eSampling Rate (Optical\/Coaxial): PCM up to 24-bit\/192kHz, DSD64 (DoP)\u003c\/p\u003e\n\u003cp\u003ePower Supply: USB Powered (\u0026lt; 5W)\u003c\/p\u003e\n\u003cp\u003eDimensions: 96 x 27 x 78 mm (WxHxD)\u003c\/p\u003e\n\u003cp\u003eWeight: 195g\u003c\/p\u003e\n\u003ch3\u003eQ\u0026amp;A\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat DAC chip does the SMSL SU-1 use? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt uses the high-performance AK4493S DAC chip from AKM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SU-1 require an external power supply? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it is conveniently powered via its USB interface (bus-powered) with low power consumption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum sampling rate supported via USB? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt supports PCM audio up to 32-bit\/768kHz and native DSD up to DSD512.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SU-1 support MQA decoding? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it features full hardware MQA and MQA-CD decoding capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat digital inputs are available on the SU-1? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt features USB, Optical, and Coaxial digital inputs along with stereo RCA analog outputs.\u003c\/p\u003e","brand":"SMSL","offers":[{"title":"SMSL-SU-1","offer_id":67781861769520,"sku":"SMSL-SU-1","price":177.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/6712\/8880\/files\/S52cbf9cd1a884a13aab9ef876ef5f5136.avif?v=1789373863","url":"https:\/\/aehifi.com\/products\/smsl-su-1","provider":"AEHIFI SHOP","version":"1.0","type":"link"}