{"product_id":"smsl-r100-r2r","title":"S.M.S.L R100 R2R High-Resolution Audio DAC | AD1861-J | Web PEQ | DSD256","description":"\u003cp\u003eThe \u003cstrong\u003eS.M.S.L R100\u003c\/strong\u003e is an R2R high-resolution audio DAC built around dual \u003cstrong\u003eAD1861-J\u003c\/strong\u003e professional R2R DAC chips, delivering a warm, transparent, and authentically analog listening experience. Featuring a proprietary De-glitch circuit, web-based PEQ equalizer, and CNC-milled full-metal chassis with transparent viewing panels, the R100 is engineered for audiophiles who demand both sonic purity and visual craftsmanship.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eDual AD1861-J R2R DAC Chips\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eProprietary De-glitch Circuit\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eWeb-Based PEQ Equalizer\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eDSD256 Support\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003ePCM 768kHz\/32bit\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eUSB-C \/ Optical \/ Coaxial\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eCNC Full-Metal Chassis\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eDual Transparent Viewing Panels\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; padding: 4px 10px; margin: 3px; font-size: 13px;\"\u003eXLR + RCA Output\u003c\/span\u003e\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDual AD1861-J R2R DAC Chips — Pure Analog Soul\u003c\/strong\u003e\u003cbr\u003eThe R100 is built around two high-performance \u003cstrong\u003eADI AD1861-J\u003c\/strong\u003e R2R professional DAC chips, staying true to the core essence of analog audio. The classic R2R ladder architecture delivers a warm, natural timbre and nuanced reproduction of music’s true texture — far removed from the coldness often associated with digital audio.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProprietary De-glitch Circuit — Precise, Distortion-Free Conversion\u003c\/strong\u003e\u003cbr\u003eEquipped with a factory-built, proprietary \u003cstrong\u003eDe-glitch circuit\u003c\/strong\u003e that optimizes the signal processing workflow at the core of analog-to-digital conversion. It effectively avoids transient errors and signal distortion during conversion, while filtering out excess digital noise and harsh artifacts — ensuring every audio signal conversion is precise, stable, and pristine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeb-Based PEQ Equalizer — Customized Personal Listening Acoustics\u003c\/strong\u003e\u003cbr\u003eFeaturing a convenient \u003cstrong\u003eweb-based PEQ customizable equalizer\u003c\/strong\u003e requiring no software installation or professional technical knowledge. Simply access the settings interface through a web browser to fine-tune the sound to your preference. The device provides \u003cstrong\u003eDirect EQ, EQ1, and EQ2\u003c\/strong\u003e three independent sound effect storage modes, supporting customized parameter saving with one click — eliminating repeated adjustments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMasterful CNC Chassis — Solid Build Quality\u003c\/strong\u003e\u003cbr\u003eThe entire chassis is crafted using \u003cstrong\u003ehigh-precision integrated CNC milling\u003c\/strong\u003e, formed through multiple fine grinding and polishing processes. The integrated body structure is solid and robust, effectively resisting daily vibrations and impacts. Clean, minimalist lines combine minimalist aesthetics with hardcore craftsmanship — perfectly complementing desktops, AV cabinets, and home environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDual Transparent Viewing Panels — A Glimpse Inside\u003c\/strong\u003e\u003cbr\u003eThe chassis features \u003cstrong\u003edual oversized transparent viewing panels\u003c\/strong\u003e, offering a panoramic view of the precision hardware layout inside the device. From carefully selected core components to the intricate internal architecture, every detail showcases the craftsmanship behind a professional-grade audio system — combining visual transparency with advanced engineering aesthetics.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProprietary SPDIF Digital Filter — Purified Digital Transmission\u003c\/strong\u003e\u003cbr\u003eA dedicated self-developed \u003cstrong\u003ehigh-precision SPDIF digital filter algorithm\u003c\/strong\u003e deeply optimizes the digital signal transmission logic, effectively suppressing JITTER clock jitter. It eliminates dry sound, blurred soundstage, dynamic compression, and loss of detail — expanding the musical soundstage and enhancing separation and three-dimensionality for a transparent, solid, and clean listening experience.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDSD High-Resolution Conversion — Analog Flavor Meets High-Res\u003c\/strong\u003e\u003cbr\u003eIncorporating a \u003cstrong\u003eself-developed DSD high-resolution conversion algorithm\u003c\/strong\u003e, the R100 allows the classic R2R decoding architecture to seamlessly accommodate DSD high-resolution audio input — preserving the warm, relaxed R2R analog timbre while combining it with the delicate analysis and rich details of DSD high-resolution sources.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGold-Plated Connectors — Lossless Signal Transmission\u003c\/strong\u003e\u003cbr\u003eEquipped with \u003cstrong\u003ehigh-quality gold-plated input and output connectors\u003c\/strong\u003e with strong oxidation, corrosion, and wear resistance. Long-term use maintains tight, stable contact — effectively reducing impedance interference and signal attenuation for lossless, highly efficient transmission of all audio signals.\u003c\/p\u003e\u003ch2\u003eIn the Box\u003c\/h2\u003e\u003cp\u003eS.M.S.L R100 × 1 \/ Power Adapter × 1 \/ USB Cable × 1 \/ Quick Start Guide × 1\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background: rgb(245, 245, 245);\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003e\u003cstrong\u003eDAC Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eAD1861-J × 2 (R2R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003e\u003cstrong\u003eUSB PCM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eUp to 768kHz \/ 32bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(245, 245, 245);\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003e\u003cstrong\u003eDSD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eDSD64 \/ DSD128 \/ DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eUSB Type-C \/ Optical (SPDIF) \/ Coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(245, 245, 245);\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eXLR Balanced + RCA Single-Ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; 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