Minimalist vintage aesthetics with practical thermal design. Grilles on the top accelerate heat dissipation, ensuring that the WARMER R2R delivers reliable high-quality sound. Whether powering a power amplifier, active monitors, or headphones, the FiiO WARMER R2R is a warm, fully balanced R2R tube DAC/amplifier that brings stunning musicality, flexibility, and timeless style to any desktop Hi-Fi system.
The FiiO WARMER R2R comes with a 46W low-noise linear power supply and a toroidal transformer – designed for low ripple, high efficiency and a stable magnetic field. The result is an excellent signal-to-noise ratio and flawless dynamics. A pair of extra-large analog VU meters with LED backlighting not only evokes the classic Hi-Fi, but also provides instant feedback as your music plays.
Specifications:
DAC architecture: Proprietary fully balanced 24-bit R2R resistor array (4-way differential; 192 thin film resistors total)
Tubes: 4 × JJ Electronic E88CC tubes
Digital inputs: USB, optical (TOSLINK), coaxial
Outputs: Balanced XLR line output, RCA line output (simultaneous output supported)
Playback modes: NOS (no oversampling) / OS (oversampling up to 384 kHz)
Power supply: 46W low noise, low ripple linear power supply with toroidal transformer
Meters: Two analog VU meters, LED backlight
Examples of use: Desktop Hi-Fi, powered speakers/amplifiers, recording chains and studio speakers









