The 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.
Who the SMSL R100 is for
R-2R curious listeners: Two ADI AD1861-J chips with de-glitch circuitry handle conversion, and SMSL describes the result as natural and fatigue-free.
Balanced amps and monitors: XLR outputs deliver 3.5Vrms and RCA outputs 1.75Vrms, so it can feed a balanced headphone amp, preamp or active monitors.
Room or headphone EQ: SMSL's browser-based PEQ tuner saves curves to EQ1 and EQ2, and a front button switches between them and Direct.
Several digital sources: 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.
Skip it if: 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.
SMSL R100 key specs
DAC chips: 2 x ADI AD1861-J R-2R with de-glitch circuit and calibrated MSB adjustment
Digital filter: 16x oversampling FIR, -160dB stopband attenuation
EQ: Browser-based PEQ with Direct, EQ1 and EQ2 modes
Power and size: Built-in AC 100–240V (2.6W); 170 x 39.8 x 136mm, 712g
In the box: R100, USB-A to USB-C cable, AC power cable, user manual
Genuine SMSL stock. Free shipping on every order, 45-day returns.
SMSL R100 vs similar options
vs SMSL D200: Swaps in a ROHM BD34352EKV chip and adds a Bluetooth 5.1 input, in white; pick the R100 for dual AD1861-J R-2R conversion and saved browser PEQ presets.
vs FiiO Warmer R2R: Adds a tube output stage to a fully balanced R2R design, in Silver or Black; pick the R100 for dual AD1861-J chips and browser PEQ with two saved presets.
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging, and backed by our 1-year TonePier warranty and 45-day returns.
Where does my order ship from, and how long does it take?
Every order ships from our warehouse in China, with full tracking, and most orders ship within 3 business days. Shipping is free on every order; most US orders arrive within 7–15 business days and most orders to other countries within 7–20 business days — see our shipping policy for details.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
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