FiiO Warmer R2r

Display, Tone control, USB-DAC
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Delivered between Thu, 28.5. and Wed, 8.7.
3 items ordered
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Colour2

Product details

The FiiO WARMER R2R is a highly advanced headphone amplifier that combines digital precision with an analog sound character. Equipped with a 24-bit R2R DAC that utilizes 192 high-precision resistors, it delivers exceptional sound quality with a frequency range of 20 Hz to 45 kHz. The use of selected JJ-Electronic E88CC tubes in the buffer circuit ensures a warm and rich sound reproduction that is both detailed and pleasantly smooth. The WARMER R2R supports various audio formats, including PCM up to 384 kHz/32 bit and DSD256, and allows for flexible use through its coaxial and Toslink inputs. With the ability to switch between NOS and OS modes, this device offers a customizable listening experience that meets audiophile demands.

  • 24-bit R2R DAC for precise sound
  • Four JJ-Electronic tubes for warmth and richness
  • Supports PCM up to 384 kHz/32 bit and DSD256
  • Switchable operating modes for individual sound profiles.

Key specifications

Headphone amplifier application area
HiFi, PC
Power supply
Electrical connection

General information

Item number
65278495
Manufacturer
FiiO
Category
Headphone amplifiers
Manufacturer no.
WARMER R2R Black
Release date
21.11.2025
External links
Manufacturer's site (de)

Colour

Colour
Black
Exact colour description
Black

Headphone amplifier properties

Headphone amplifier application area
HiFi, PC
Headphone Amplifier Features
Display, Tone control, USB-DAC

Audio properties

signal-to-noise ratio
114 dB
distortion factor
0.05%
Sample rate
384 kHz
Audio resolution
32 bits

Connections

Audio inputs
Coaxial S/PDIF (1x), Optical TOSLINK (1x), USB-C
Audio outputs
Stereo Cinch RCA (1x), XLR (1x)

Power supply

Power supply
Electrical connection

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
29.26 kg
Climate contribution
CHF 0.70

Scope of delivery

Scope of delivery
FiiO WARMER R2R, Power cable, Spare fuse, USB cable

Product dimensions

Length
223.50 mm
Width
223.50 mm
Height
66.80 mm
Weight
2900 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphone amplifiers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Mackie
    1 %
  • 2.iFi Audio
    2.7 %
  • 3.FiiO
    3.1 %
  • Behringer
    Not enough data
  • Fosi Audio
    Not enough data

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.FiiO
    0 days
  • 2.iFi Audio
    5 days
  • Behringer
    Not enough data
  • Fosi Audio
    Not enough data
  • Mackie
    Not enough data

Return rate

How often is a product of this brand in the «Headphone amplifiers» category returned?

Source: Digitec Galaxus
  • 1.Behringer
    1 %
  • 2.FiiO
    5.3 %
  • 3.Fosi Audio
    5.8 %
  • 4.iFi Audio
    11.1 %
  • Mackie
    Not enough data
Source: Digitec Galaxus