Fiio Warmer R2R

The FiiO Warmer R2R is a compact desktop DAC that aims to bring a bit of analogue character to modern digital listening. It is designed to sit between your audio source and your amplifier or active speakers, converting digital signals into analogue sound while adding a subtle valve flavour along the way. If you find some digital setups a touch clinical, this is clearly intended to soften the edges without sacrificing detail.

At the heart of the unit is an R2R ladder DAC rather than the more common chip-based design. In simple terms, that approach is often associated with a smoother and more natural results. There is a pleasing sense of flow to vocals and acoustic instruments, with good texture and depth. You can switch between different operating modes, including an option that keeps the signal path more direct for those who prefer a purer sound.

The valve stage uses four E88CC tubes, they are visible through the top and give off a gentle glow in use, adding to the retro feel. Sonically, they bring a touch of warmth and body, but it is not overdone. The sound remains clear and controlled, just a little more relaxed and inviting.

Connections are generous. You get USB, optical and coaxial inputs, so it will happily work with a computer, streamer or CD transport. On the output side there are both RCA and balanced XLR sockets, making it easy to slot into a proper hi fi system. The built-in power supply feels solid and helps keep background noise low.

There is no headphone output, so you will need a separate amplifier if you listen that way. Even so, for anyone after a more characterful and easy-going presentation from their digital sources, the FiiO Warmer R2R makes a very appealing case. RRP £339

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