{"product_id":"smsl-r100","title":"SMSL R100 R2R Desktop DAC — Dual AD1861-J, XLR\/RCA Out, Web PEQ","description":"\u003cp class=\"tp-summary\"\u003eThe SMSL R100 is a desktop R-2R DAC built on two ADI AD1861-J ladder chips with factory-calibrated MSB adjustment, taking USB, optical and coaxial inputs and driving balanced XLR (3.5Vrms) and RCA (1.75Vrms) outputs. It suits listeners who want to try R-2R conversion ahead of an amp or powered speakers, with browser-based PEQ for tuning.\u003c\/p\u003e\n\u003ch2\u003eWho the SMSL R100 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-2R curious listeners:\u003c\/strong\u003e Two ADI AD1861-J chips with de-glitch circuitry handle conversion, and SMSL describes the result as natural and fatigue-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced amps and monitors:\u003c\/strong\u003e XLR outputs deliver 3.5Vrms and RCA outputs 1.75Vrms, so it can feed a balanced headphone amp, preamp or active monitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom or headphone EQ:\u003c\/strong\u003e SMSL's browser-based PEQ tuner saves curves to EQ1 and EQ2, and a front button switches between them and Direct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeveral digital sources:\u003c\/strong\u003e USB handles PCM up to 32-bit\/768kHz and DSD512, while optical and coaxial take PCM up to 24-bit\/192kHz from a TV, transport or streamer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkip it if:\u003c\/strong\u003e you need a headphone output, volume control, Bluetooth or a remote; the R100 is a DAC only, and on Windows it needs SMSL's USB driver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSMSL R100 key specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC chips:\u003c\/strong\u003e 2 x ADI AD1861-J R-2R with de-glitch circuit and calibrated MSB adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital filter:\u003c\/strong\u003e 16x oversampling FIR, -160dB stopband attenuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e USB-C, optical, coaxial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e XLR 3.5Vrms, RCA 1.75Vrms; 33Ω output impedance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB playback:\u003c\/strong\u003e PCM 44.1–768kHz up to 32-bit; DSD up to DSD512 (DSD256 via DoP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical\/coaxial playback:\u003c\/strong\u003e PCM 44.1–192kHz up to 24-bit; DSD64 via DoP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N \/ SNR:\u003c\/strong\u003e 0.003% (-90dB) \/ 107dB XLR, 108dB RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ:\u003c\/strong\u003e Browser-based PEQ with Direct, EQ1 and EQ2 modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower and size:\u003c\/strong\u003e Built-in AC 100–240V (2.6W); 170 x 39.8 x 136mm, 712g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e R100, USB-A to USB-C cable, AC power cable, user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"tp-trust\"\u003eGenuine SMSL stock. Free shipping on every order, 45-day returns.\u003c\/p\u003e","brand":"SMSL","offers":[{"title":"Default Title","offer_id":46279128187015,"sku":"SMSL R100-silver","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/15103486494.jpg?v=1792673017","url":"https:\/\/tonepier.com\/products\/smsl-r100","provider":"TonePier","version":"1.0","type":"link"}