Warmer R2R
Go For Bolder Flavour | The Ultimate Warm-Sounding Setup
Inspired by the legacy of the iconic Hong Kong band The Wynners, the FiiO Warmer R2R aims to bring an inviting warmth and beautiful valve character to music. Its vintage-inspired design combines warm-hued VU meters with an R2R DAC and vacuum tubes, creating an engaging listening experience that appeals to both the eyes and ears.
From the mesmerising movement of the mechanical VU meters to its distinctive analogue-inspired sound, the Warmer R2R brings warmth and character to every listening session.
R2R DAC And Valve Amplifier | Extensive Inputs & Outputs | Flexible System Connectivity
- USB, Optical & Coaxial Inputs: Connect a phone, computer, digital music player, CD player and other compatible sources, with convenient input selection using the control knob.
- RCA & XLR Line Outputs: Connect speakers, amplifiers, DACs and headphone amplifiers, with simultaneous output supported across both connections.
Uniquely Captivating | Proprietary Fully Differential True 24-Bit R2R Resistor Array DAC
At its heart is FiiO's proprietary, four-way, fully differential 24-bit R2R DAC, featuring 192 high-precision thin-film resistors, with 48 per channel. These resistors offer 0.1% accuracy and an ultra-low drift of 30 ppm, helping to deliver the Warmer R2R's distinctive and captivating sound signature.
Go For A Bolder Flavour | Four JJ Electronic E88CC Valves
The valve buffer stage features four JJ Electronic E88CC valves imported from Slovakia. Powered by a ±28 V supply, the valves offer a stated service life of 10,000 hours. The classic valve buffer preamplifier circuitry has been optimised to introduce a sweet, organic character, adding richness and fullness to music.
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Radiating With Vibrancy | Extra-Large, Two-Channel LED-Backlit Mechanical VU Meters
The retro-inspired, warm-hued backlit mechanical VU meters are powered by a dedicated integrated circuit. As the music plays, the needles move in harmony with the sound, creating an engaging visual experience that allows listeners to see and feel the music as well as hear it.
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Dedicated Button For A Better Experience
A 46 W, low-noise, low-frequency toroidal audio linear transformer supplies power to the device. Its non-oriented silicon steel strip core supports high efficiency and low eddy-current losses, while its rounded coils help create a more uniform magnetic field with reduced leakage. This power supply delivers clean power to the Warmer R2R, supporting clear and detailed audio reproduction.
Minimalist Vintage Look | Dependable Heat Dissipation
Following the design language of FiiO's K-series desktop audio equipment, the Warmer R2R combines classic square and rounded forms. Its styling blends vintage character with minimalist aesthetics, balancing appearance and practicality. The grille design helps dissipate heat efficiently, supporting stable operation and reliable audio performance over time.
Double The Fun | NOS/OS Modes
- NOS (Non-Oversampling) Mode: Processes audio while preserving the original sample rate, maintaining the character of the source material for a natural, engaging listening experience.
- OS (Oversampling) Mode: Upsamples audio to 384 kHz, aiming to deliver improved audio performance with greater detail and clarity.
Widely Compatible | Supports UAC 1.0 / 2.0
A dedicated USB-C port supports connection to compatible devices. With a suitable adapter, the device can be used while charging, helping listeners enjoy lossless audio without interruption.
1Founded in 1993, JJ Electronic is an established manufacturer of vacuum valves, electrolytic capacitors and audio amplifiers. Its products are used in high-end audio equipment, guitar amplifiers, recording studio equipment and other audiophile systems.
2 The VU meter needles may deviate by up to ±1 mm from the zero position, within the manufacturer's specified tolerance. Slight differences in alignment between the left and right needles when returning to zero are a normal manufacturing variation and do not affect operation.
