FiiO Warmer R2R - Innovative R2R DAC with Tube Output and Advanced Power Supply
By HiFi Editorial24 February 2026
Key Highlights
The FiiO Warmer R2R DAC features a proprietary 24-bit R2R architecture with 192 precision resistors for high-quality audio conversion.
It offers dual operational modes: Non-Oversampling (NOS) and Oversampling, catering to varied auditory preferences.
Equipped with a vacuum tube buffer stage using four JJ Electronic E88CC tubes, it delivers a warm, harmonically rich sound.
HiFi Weekly Digest
New gear, best reads, and deals — every Friday.
