{"product_id":"smsl-su-1-dsp","title":"SMSL SU-1 DSP DAC with AK4493S \u0026 32-Band PEQ","description":"\u003ch2\u003eSMSL SU-1 DSP Digital-to-Analog Converter\u003c\/h2\u003e\u003cp\u003eThe SMSL SU-1 DSP combines an AKM AK4493S DAC with 32-band parametric equalization in a compact USB-powered enclosure. Building on the original SU-1, this DSP-equipped model adds detailed sound customization and EQ memory alongside high-resolution PCM and DSD decoding.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAKM AK4493S DAC chip with manufacturer-rated distortion as low as 0.00013%.\u003c\/li\u003e\n\u003cli\u003e32-band parametric EQ for precise frequency-response adjustment.\u003c\/li\u003e\n\u003cli\u003eEQ power-off memory retains your custom settings between listening sessions.\u003c\/li\u003e\n\u003cli\u003eXMOS XU-316 digital audio processing.\u003c\/li\u003e\n\u003cli\u003eSupport for PCM up to 32-bit\/768kHz and DSD512.\u003c\/li\u003e\n\u003cli\u003eDual high-precision, low-phase-noise femtosecond crystal oscillators.\u003c\/li\u003e\n\u003cli\u003eUSB-powered operation with high-performance power filtering.\u003c\/li\u003e\n\u003cli\u003eAnodized CNC-machined aluminum alloy chassis measuring 96 × 27 × 78mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e32-Band PEQ: Shape Your Sound\u003c\/h3\u003e\u003cp\u003eThe DSP core supports 32-band parametric equalization, letting you tailor frequency response to your listening preferences and the characteristics of your connected audio system. Refine the balance for different headphones, speakers or listening environments rather than relying on a single fixed presentation.\u003c\/p\u003e\u003cp\u003eEQ memory preserves your settings when the unit is powered off. Set up a preferred profile for evening listening, return to your desk the next day, and continue without rebuilding your adjustments.\u003c\/p\u003e\u003ch3\u003eAKM AK4493S Conversion\u003c\/h3\u003e\u003cp\u003eThe AKM AK4493S DAC works with an optimized circuit layout and acoustic tuning to support clean, detailed conversion. SMSL specifies distortion as low as 0.00013%. This is a manufacturer-provided figure; measurement conditions can affect results.\u003c\/p\u003e\u003ch3\u003eXMOS XU-316 High-Resolution Processing\u003c\/h3\u003e\u003cp\u003eThe XMOS XU-316 handles digital audio processing with support for PCM up to 32-bit\/768kHz and DSD512 decoding. These maximum supported formats depend on a compatible source, connection, playback software and configuration; they do not increase the resolution of the original recording.\u003c\/p\u003e\u003ch3\u003eDual Precision Clocks\u003c\/h3\u003e\u003cp\u003eTwo high-precision femtosecond crystal oscillators with low phase noise provide the clock reference for digital conversion. This design is intended to minimize timing jitter and support stable signal processing.\u003c\/p\u003e\u003ch3\u003eUSB Power with Noise Filtering\u003c\/h3\u003e\u003cp\u003eThe power-filtering system is designed to reduce supply noise and interference from connected devices. USB-powered operation avoids the need for a separate external power adapter and helps keep a small desktop audio setup tidy.\u003c\/p\u003e\u003ch3\u003eCompact CNC-Machined Aluminum Housing\u003c\/h3\u003e\u003cp\u003eThe anodized aluminum alloy chassis and precision-crafted front panel combine a durable enclosure with a refined finish. Its compact 96 × 27 × 78mm dimensions accommodate space-conscious setups, with horizontal or vertical placement to suit your desk, study or bedroom.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand \/ model\u003c\/th\u003e\n\u003ctd\u003eSMSL SU-1 DSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDigital-to-analog converter (DAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC chip\u003c\/th\u003e\n\u003ctd\u003eAKM AK4493S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital processor\u003c\/th\u003e\n\u003ctd\u003eXMOS XU-316\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEqualization\u003c\/th\u003e\n\u003ctd\u003e32-band parametric EQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEQ memory\u003c\/th\u003e\n\u003ctd\u003eSettings retained after power-off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum PCM support\u003c\/th\u003e\n\u003ctd\u003e32-bit \/ 768kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum DSD support\u003c\/th\u003e\n\u003ctd\u003eDSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistortion\u003c\/th\u003e\n\u003ctd\u003eAs low as 0.00013%, manufacturer-rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClock system\u003c\/th\u003e\n\u003ctd\u003eDual high-precision, low-phase-noise femtosecond crystal oscillators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003eUSB powered, with power filtering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHousing\u003c\/th\u003e\n\u003ctd\u003eAnodized CNC-machined aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e96 × 27 × 78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlacement\u003c\/th\u003e\n\u003ctd\u003eHorizontal or vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × SMSL SU-1 DSP DAC.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThe supplied information does not specify the accessory bundle. Please confirm included cables and other accessories before ordering if required.\u003c\/p\u003e\u003ch3\u003eBefore You Buy\u003c\/h3\u003e\u003cp\u003eThis listing is for the \u003cstrong\u003eSU-1 DSP\u003c\/strong\u003e, not the original SU-1. Source-device requirements, PEQ configuration methods and maximum playback formats should be checked against the manufacturer's instructions. No specific app, operating-system compatibility or included power adapter is promised here.\u003c\/p\u003e\u003ch3\u003eManufacturer Product Details\u003c\/h3\u003e\u003cdiv style=\"margin:0;padding:0;line-height:0;\"\u003e\n\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sef753aecf931430185c602b5acdf5305i.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2eb6720294394f4fbcd300c90f141853P.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbc7303cd3f114dc985188bd12eb8c9ddO.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5e18c741622d45ce82a6db3e24d00554B.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se316e251bccb4f9e9ea32387d23feaaal.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4cc38506a7404964b8e3a948e522ecf4R.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se2378579b2fc405da9cbf077dc22b587X.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2cb112905fac449a8dee346f19bfc977I.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S39df11e5957743b8a39e8b64d8e8ea3eN.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9af83c14ec174bddbda1a5247eaad064h.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd257f860ef464432ab8a0b78b4e53e95K.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7ff5d3ed93a047629d6023f0664caa80q.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S623ee634bb6e41f09fd31dab83a9880ce.jpg\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0;padding:0;\"\u003e\n\u003c\/div\u003e","brand":"SMSL","offers":[{"title":"SU-1 DSP","offer_id":51389466869999,"sku":"1005013536062396-SU-1 DSP","price":78.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/smsl-su-1-dsp-dac-with-ak4493s-32-band-peq-1011898.webp?v=1793718608","url":"https:\/\/thehificat.com\/en-de\/products\/smsl-su-1-dsp","provider":"The HiFi Cat","version":"1.0","type":"link"}