{"product_id":"apos-certified-smsl-r100-r2r-desktop-dac","title":"SMSL R100 R2R Desktop DAC (Apos Certified)","description":"\u003ch1\u003e\u003cstrong\u003eR2R DAC with web-based PEQ\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe SMSL R100 is a desktop R2R DAC centered around two Analog Devices AD1861-J converter chips, with support for high-resolution PCM and DSD playback, web-based parametric EQ, dedicated digital filtering, and both balanced XLR and RCA analog outputs. Its CNC-machined aluminum chassis includes dual top viewing windows that reveal the internal circuitry, while USB, optical, and coaxial inputs provide flexible connectivity for desktop and hi-fi systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDual AD1861-J R2R conversion\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTwo AD1861-J R2R DAC chips handle digital-to-analog conversion using a resistor-ladder architecture associated with a natural, relaxed tonal presentation. SMSL pairs the converters with a proprietary de-glitch circuit designed to reduce transient conversion errors, signal distortion, digital noise, and unwanted artifacts during processing.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eHigh-resolution PCM and DSD support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe R100 supports PCM playback up to 32-bit\/768kHz over USB, along with DSD rates up to 22.5792MHz. Optical and coaxial connections support PCM up to 24-bit\/192kHz and DSD64 through DoP. A dedicated DSD conversion algorithm allows DSD source material to be processed through the R2R architecture.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWeb-based parametric EQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA browser-accessible PEQ system lets you adjust frequency response without installing dedicated software. Direct EQ, EQ1, and EQ2 provide three independent sound modes, with parameter storage for recalling saved tuning profiles.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePrecision digital filtering\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSMSL uses a self-developed high-precision SPDIF digital filter algorithm to manage incoming digital signals. The processing is designed to reduce clock-jitter effects and maintain stable digital transmission, supporting clearer separation and more consistent detail from optical and coaxial sources.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBalanced and RCA outputs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe rear panel provides balanced XLR and single-ended RCA outputs for connection to a range of amplifiers and powered audio systems. Rated output level is 3.5Vrms through XLR and 1.75Vrms through RCA, with a specified output impedance of 33 ohms.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eMeasured audio performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSMSL lists THD+N at 0.003% and provides Audio Precision APx555 B measurement data showing balanced line-output THD+N of approximately 0.0025%. Rated balanced dynamic range and SNR are both 107dB, while RCA dynamic range and SNR are rated at 108dB.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eGold-plated signal connections\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGold-plated input and output connectors are used to help maintain stable electrical contact over time. The plating is intended to improve resistance to oxidation, corrosion, and wear while minimizing losses at the connection points.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCNC-machined aluminum chassis\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe R100 chassis is produced with integrated CNC milling followed by grinding and polishing processes. Its rigid aluminum construction is designed to provide a stable enclosure for the internal audio circuitry while keeping the footprint compact enough for desktop systems and equipment racks.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDual top viewing windows\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTwo transparent panels on the top of the chassis expose sections of the internal hardware layout. They provide a clear view of the component arrangement while giving the R100 a distinctive physical design centered on its internal engineering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBroad computer compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUSB operation supports Windows 7, 8, 8.1, 10, and 11 with a driver. macOS 10.6 or later and Linux are supported without a dedicated driver, making the R100 suitable for a wide range of computer-based audio systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct highlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual Analog Devices AD1861-J R2R DAC chips\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProprietary de-glitch processing circuit\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePCM support up to 32-bit\/768kHz over USB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDSD support up to 22.5792MHz over USB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDSD64 DoP support over optical and coaxial\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeb-based parametric EQ\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDirect EQ, EQ1, and EQ2 memory modes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelf-developed high-precision SPDIF digital filtering\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBalanced XLR and RCA analog outputs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGold-plated input and output connectors\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum chassis\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual transparent top viewing panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInputs: USB, optical, coaxial\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutputs: XLR, RCA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eXLR output level: 3.5Vrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRCA output level: 1.75Vrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTHD+N: 0.003% (-90dB)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBalanced measured THD+N: approximately 0.0025%\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eXLR dynamic range: 107dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRCA dynamic range: 108dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eXLR SNR: 107dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRCA SNR: 108dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput impedance: 33 ohms\u003cbr\u003eUSB bit depth: 1-bit DSD, 16 to 32-bit PCM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical and coaxial bit depth: 1-bit DSD, 16 to 24-bit PCM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB PCM sampling rate: 44.1kHz to 768kHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB DSD sampling rate: 2.8224MHz to 22.5792MHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB DoP sampling rate: 2.8224MHz to 11.2896MHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical and coaxial PCM sampling rate: 44.1kHz to 192kHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical and coaxial DSD support: DSD64 DoP\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWindows compatibility: Windows 7, 8, 8.1, 10, and 11 — driver required\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMac compatibility: macOS 10.6 or later — driverless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLinux compatibility: Driverless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower consumption: 2.6W\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandby power: less than 1W\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.69 x 1.57 x 5.35 in (170 x 39.8 x 136 mm) W x H x D\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 1.57 lb (712 g)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC input: 100–240V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSMSL R100 R2R DAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SMSL","offers":[{"title":"Open Box - Like New","offer_id":67807092834540,"sku":"APS-AC-1421-1-LN","price":260.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/2721\/3642\/files\/smsl-r100-apos-certified-main-v2.png?v=1792523394","url":"https:\/\/apos.audio\/products\/apos-certified-smsl-r100-r2r-desktop-dac","provider":"Apos","version":"1.0","type":"link"}