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Description
FiiO Warmer R2R Desktop Tube Buffer and DACFiiO Warmer R2R is a desktop DAC and tube buffer that combines a discrete R2R resistor ladder digital to analog converter with JJ E88CC vacuum tubes for a rich, analog sound, featuring NOS OS modes, multiple digital inputs (USB, optical, coaxial), RCA XLR outputs, and large, backlit VU meters for a classic, musical listening experience. Get this amazing DAC now from the official dealer of FiiO in Bangladesh, Gears for Ears today with an official 1
FiiO Warmer R2R is a desktop DAC and tube buffer that combines a discrete R2R resistor ladder digital-to-analog converter with JJ E88CC vacuum tubes for a rich, analog sound, featuring NOS/OS modes, multiple digital inputs (USB, optical, coaxial), RCA/XLR outputs, and large, backlit VU meters for a classic, musical listening experience. Get this amazing DAC now from the official dealer of FiiO in Bangladesh, Gears for Ears today with an official 1 year warranty.
R2R desktop DAC with JJ tube buffer
The WARMER R2R leans into tone. It’s a desktop R2R DAC with a tube buffer that adds body, color, and a relaxed kind of fullness that digital sometimes forgets. The fully-differential 24-bit resistor-array DAC sets the baseline with steady, unforced detail. Four JJ Electronic E88CC tubes bring a soft glow to the mids. Dual mechanical VU meters add a warm pulse to the room. With multiple digital and analog inputs, it works just as easily on a desk as it does in a living room system. When you want music to feel easy and inviting, this is a good way to get there.
Extensive connectivity
USB, optical, and coaxial inputs let you move between sources quickly. RCA and XLR outputs cover powered speakers, integrated amplifiers, and headphone amplifiers. Both outputs can run at the same time, which is handy if you enjoy switching between speakers and headphones during the day.
Fully-differential 24-bit R2R DAC
FIIO’s four-way fully-differential R2R design uses 192 thin-film resistors with 0.1% accuracy and low drift. It delivers the grounded, weighted presentation R2R fans look for. Instruments sit where they should. Details feel natural rather than etched. It’s a DAC that trades flash for ease.
Tube warmth with JJ Electronic E88CC valves
The tube buffer uses four JJ Electronic E88CC tubes fed by a ±28V high-voltage supply. JJ tubes are steady performers with a long service life, and here they bring a rounded, organic character to the signal. Edges soften. Vocals pick up a little more texture. If you like your music with a touch of warmth, the tubes handle that work gracefully.
LED-lit mechanical VU meters
The dual VU meters add a subtle sense of motion to your desk. They’re true mechanical meters powered by a dedicated IC, not a digital animation, so they move with a tactile kind of honesty. The warm backlight settles into the background and sets the tone for late evening listening.
Low-noise linear power supply
A 46W toroidal transformer provides clean, stable power with low ripple and low magnetic leakage. That means less noise, better channel separation, and more consistent performance from both the DAC and tube stages. The measured results back it up—≥114dB SNR and a ≤7uV noise floor.
Vintage-leaning design with solid thermals
The chassis follows FIIO’s squared, minimal desktop aesthetic, paired with a grille-pattern top plate that vents heat efficiently. The tubes stay comfortable, the internals stay stable, and you can settle into long listening without worrying about thermals.
NOS and OS modes
Two decoding modes let you shape the character of the sound. NOS mode keeps the original sample rate intact for a relaxed, effortless presentation. OS mode upsamples to 384kHz for a slightly more defined edge. It’s an easy way to fine-tune the feel of the music.
UAC1.0 and UAC2.0 compatibility
A simple lever switches between UAC1.0 and UAC2.0, which keeps the WARMER R2R friendly with consoles, computers, and mobile devices. No drivers needed. Just plug in the source you want and start playing.
Product highlights
- Fully-differential 24-bit R2R resistor-array DAC
- Four JJ Electronic E88CC tubes in the buffer stage
- USB, optical, and coaxial digital inputs
- RCA and XLR line outputs with simultaneous output capability
- LED-backlit mechanical dual VU meters
- 46W low-noise toroidal linear power supply
- NOS and OS decoding modes
- UAC1.0/2.0 support for wide device compatibility
- Vintage-inspired chassis with effective heat dissipation
- Supports PCM up to 384kHz/32bit and DSD256
- Color options: black or silver
Specifications
- Color: Black or silver
- Dimensions: 8.8 x 8.4 x 2.6in (223.5 x 213 x 66.8mm, incl. feet)
- Weight: 6.3lbs (2.87kg)
- Display: Mechanical pointer VU meters
- DAC: Fully-differential true 24-bit R2R resistor array
- Tube stage: JJ Electronic E88CC x4
- Power supply: 46W toroidal audio linear transformer
- USB decoding: PCM 384kHz/32bit, DSD256
- Coaxial decoding: PCM 192kHz/24bit
- Optical decoding: PCM 96kHz/24bit
- RCA output: ≥1.8Vrms L+R (1kHz @ 10kΩ)
- XLR output: ≥3.8Vrms L+R (1kHz @ 10kΩ)
- Frequency response: 20Hz–45kHz, attenuation <2.4dB
- SNR: ≥114dB (A-weighted)
- Noise floor: ≤7uV (A-weighted)
- THD+N: ≤0.053% (1kHz / -7dB @ 10kΩ)
What's included
- WARMER R2R
- AC power cable
- USB cable
- Spare fuse tube
- Quick start guide
- Warranty card
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1442 reviews
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Product Reviews
★★★★★ 5
Exactly as shown! Beautiful!
Color: Dark Green, Size: 2' x 6' (Sheepskin Shape)
Perfect size, color, fluffy, and soft with no strange smell!
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Reviewed in the United States on April 19, 2026
★★★★★ 4
Great quality, color is ok.
Color: Cream Brown, Size: 2 x 6 ft Sheepskin
The quality, texture, feel and smell of the rug is very good. The hairs adhere to the back lining well and don't shed even with my cat trying to bite it out. The only downside unfortunately is aesthetic— the cream brown I ordered, in natural light/sun shining on it, looks more yellowish - gold.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Great Quality!
Color: Ivory White, Size: 2' x 6' (Sheepskin Shape), Color: Ivory White, Size: 2' x 6' (Sheepskin Shape)
I have owned many sheepskins before and this one is by far the best deal. Cheaper than similar sizes, but not in a bad way! It’s a beautiful creamy white, super plush, and is very long. We keep it on the back of our couch and it gives a very cozy vibe. I haven’t had any issues with it shedding.
Word of advice for cat owners: When we first got it, it did have a sheepskin smell but it isn’t a gross smell and it went away within a few days; however, my cat was very attracted to that smell and was “attacking” the sheepskin. We trained her not to do it just by spraying her with water—after a few times of that she stopped going anywhere near it. Now that the smell has dissipated, she isn’t attracted to it anymore but does like to sit on it every once and awhile (I can’t blame her, it’s sooooo soft). I saw someone else say their cat ruined their rug, so I wanted to give our story on how we prevented that and hopes it helps another cat owner. You just have to be alert for the first day, maybe even let it off-gas outside first, then keep a spray bottle nearby and the cat should stop messing with it!
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Reviewed in the United States on January 10, 2025
★★★★★ 5
Great little rug!
Color: Ivory White, Size: 2' x 3' (Sheepskin Shape), Color: Ivory White, Size: 2' x 3' (Sheepskin Shape)
This nice little sheepskin rug is the perfect finishing touch to my little reading nook. It’s soft and thick. Follow the enclosed instructions to fluff it up. I was going to order a second one but saw that the price jumped nearly $10 in a week. It’s nice but it’s not worth that amount. I’d buy it on sale though. Five stars.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Feels good under feet.
Size: 2'2" x 3'3" (Oblong), Size: 2'2" x 3'3" (Oblong)
I have full bed (see picture). It’s sheepskin rug from single pelt. Bigger maybe would be maybe nicer but there would have to be genetically modified sheep for bigger pelt or sheepskin from 2 pelts.
Price is fair in my opinion. Feels amazing to wake up and put feet on it.
Appearance is nice just look at picture.
I had fake rug in the past and feeling between this and the previous one is day and night. I like it and I love it.
Just measure your area before purchasing this product and you should be ok.
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Reviewed in the United States on March 31, 2026