Features Fully Differential 24-bit R2R DAC For High-Fidelity Audio Across Frequency

FiiO WARMER R2R elevates the listening experience with its proprietary, fully differential 24-bit R2R DAC architecture. Built with 192 ultra-precise thin-film resistors (48 per channel with 0.1% accuracy and 30ppm drift) to deliver a distinctly analog character, effortlessly natural dynamics and rich textures.

Embeds 4 Premium JJ Electronic E88CC Vacuum Tubes For Warm-Like Audio

FiiO WARMER R2R enriches every note using four premium JJ Electronic E88CC vacuum tubes directly imported from Slovakia. These long-life valves (rated for 10,000 hours) energise the upgraded tube buffer stage with a sweet, glowing tone, rounder mids, luscious vocals and effortless fluidity. It’s all about warmth, emotion, and the kind of intimate realism only tubes can deliver.

Equipped With Dual Mechanical VU Meters For Enhanced User Experience

FiiO WARMER R2R embeds an extra-large dual mechanical VU meters glow with vintage charm, illuminated by warm LED backlights and driven by a dedicated IC for ultra-smooth movement. The dancing needles sync with the pulse of your music, igniting a nostalgic and club-like ambience right on your desk.

Utilises 46W Low-Noise Toroidal Linear Transformer For Accurate & Clean Audio

FiiO WARMER R2R ensures uncompromising signal purity with a robust 46W low-noise toroidal linear transformer. Built using non-oriented silicon steel strips, it provides superior efficiency, ultra-low electromagnetic leakage, and deep power reserves. The result is incredibly clean current flow that fuels pristine, lifelike sound with enhanced stability and drive.

Customise Your Listening Experience With NOS And OS Modes

FiiO WARMER R2R expands your tuning freedom with NOS and OS modes that let you shape the sound to your taste. NOS preserves the original sample rate for a truer, unprocessed presentation, perfect for purists who want raw authenticity. OS globally upscales audio to 384kHz, enhancing detail, clarity, and separation for a more technical, revealing performance.

Meticulously Crafted With Iconic Square & Round Aesthetic For Impeccable Aesthetics

FiiO WARMER R2R adopts a beautifully balanced design for a minimalist yet retro, modern and soulful. The iconic square-and-round form factor creates a timeless presence on any desktop, while the precision-cut grille pattern improves heat dissipation, keeping performance consistent even during long listening sessions. Style and function, effortlessly fused.

Connect Seamlessly With Various Devices Via Various Input/Output Options

FiiO WARMER R2R is built for seamless integration into any setup. Plug in phones, PCs, digital players, or CD transports via USB, optical, and coaxial inputs then feed speakers, amplifiers, or headphone rigs through both RCA and balanced XLR outputs. You can even run dual outputs simultaneously to build flexible multi-device systems.

Supports UAC1.0/2.0 & Features Type-C For Wide Compatibility

FiiO WARMER R2R supports UAC1.0/2.0 for wide compatibility with modern and legacy devices. A dedicated Type-C port keeps the unit powered while in use, ensuring continuous high-resolution playback without battery worries. WARMER R2R brings your music clean, ready and always there for you.