FiiO WARMER R2R Fully Balanced Desktop DAC & Headphone Amp

FiiO WARMER R2R

For a warm and rich sound
The WARMER R2R is designed to deliver a warm, full-bodied sound, inspired by the legendary Hong Kong band, the Wynners. Its name reflects its goal: to provide music with the inviting, tube-like warmth.
From the vintage amber VU meters to the unique combination of R2R DAC and tubes, every listening session immerses you in the warmth and vitality of the music.

R2R Valve Desktop DAC & Amplifier
Inputs: USB / Optical / Coaxial | Outputs: RCA + XLR
Fully balanced DAC with 24-bit R2R resistor array
Four JJ Electronic E88CC tubes | 46W low-noise linear power supply
Dual mechanical VU meters with LED backlight

Flexible Connectivity

• USB, optical, and coaxial inputs for PC, smartphone, digital players, or CD players.

• RCA and XLR line outputs for amplifiers, speakers, or other DACs, with simultaneous output support.

High-Quality Tube Stage

Four JJ Electronic E88CC tubes
The buffer stage uses four Slovakian-imported JJ E88CC tubes, powered at +28V with a lifespan of up to 10,000 hours. The circuit is tuned to provide a sweet, organic tube-like tone, adding depth and richness to music.
JJ Electronic is globally recognized for vacuum tubes and high-end amplifiers, widely used in professional studios, guitar amps, and audiophile equipment.

Audio-Visual Experience

Dual mechanical VU meters with LED backlight
Amber VU meters, driven by a dedicated circuit, move in sync with the music, creating a unique audiovisual experience. Enjoy not just the sound, but also its movement.

Stable and Quiet Power Supply

46W Toroidal Linear Transformer
The linear power supply minimizes noise and parasitic currents, delivering high efficiency and crystal-clear sound.

Elegant and Functional Design

Vintage minimalistic style with effective heat dissipation
The WARMER R2R combines a classic square-and-round desktop design with a grille optimized for heat dissipation, ensuring reliable and stable performance over time.

Dual Decoding Modes

• NOS (Non-Oversampling): reproduces the original sampling rate for authentic, natural sound.

• OS (Oversampling): global upsampling to 384 kHz for improved clarity and detail.

Compatibility and Convenience

UAC 1.0/2.0 support
The independent Type-C port allows simultaneous listening of lossless audio and charging, ensuring uninterrupted energy for your sessions.

Package Contents

• WARMER R2R

• AC power cable

• USB cable

• Spare fuse

• Quick start guide