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FiiO

FiiO - K11 R2R

Desktop R2R DAC & Headphone Amp
Sale price₹ 14,999 Regular priceMRP: ₹ 16,999
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Color: Black

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DELIVERY
Dispatches in

7 Day Replacement Guarantee

In case you receive the FiiO - K11 R2R with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

READ MORE

Warranty & Services

Don't sweat it, this FiiO - K11 R2R comes with a 1 Year warranty from FiiO that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about FiiO's warranty in India.

Club Audiophile

Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

READ MORE

Why FiiO is Special

🇨🇳

Designed in China
Established & Reputed

Trust us, our reputation in the audio world speaks for itself!


This headphone or gear comes from a well-respected brand known for its high-quality audio equipment, so you can be confident in your purchase.


If you see a product marked as “🎖️ Established & Reputed”, it means you're getting a top-tier device from a brand that's earned its stripes in the audio industry.
Revered by Audiophiles

Audiophiles can be really picky and tough to impress and if the audiophile community says something sounds good, you can bet it's great!


This headphone or gear has gained recognition and admiration from audiophiles, who are known for their discerning taste in high-fidelity audio. They appreciate its precision, attention to detail and its ability to deliver an immersive sonic experience.


If you see a product marked as "🙌🏻 Revered by Audiophiles", it means that it meets the highest standards of sound quality and performance, making it a top choice for anyone who values exceptional audio experiences.
🐣

Born in 2007

Why we love this DAC/Amp

Value for Money

Great sound always doesn't have to come with a fancy price tag.


Every once in a while we come across a product that give you a lot more value for the price.


If you see products marked as "🥜 Value For Money" you can be sure you're getting a great bang for your buck.

For Enthusiasts on a Budget

We are here to help you find the best bang for your buck.


This headphone or gear is made for all passionate hobbyists who want top-notch gear without breaking the bank.


If you see a product marked as “🪴 For Enthusiasts on a Budget”, get ready to indulge in your music with high-quality, affordable products that keep your wallet happy and your enthusiasm alive!
For Audiophiles at Home

Cause music hit differently when you are in your own space.


This headphone or gear is perfect for those who demand exceptional sound quality in their personal sanctuary.


If you see products marked as “🏠 For Audiophiles at Home”, get ready to transform your living space into an audiophile's paradise, with rich, immersive sound that makes every listening session a masterpiece.
Connect With Cable

This device comes with multiple connectivity options. Be sure to check if your source and output support these input and output options.

Why it Sounds Amazing

⚙️

DAC: R2R DAC Resistor
Power Output

When you need that juice to get the best out of your products.


This headphone or gear packs a punch, revealing the product's impressive power output capabilities, ensuring it can handle even the most demanding products with ease.


If you see products marked as “🚀 Power Output”, you're in for a treat with robust performance for driving high-fidelity products without breaking a sweat.
Balanced Output

Upgrading from single-ended to balanced can be the easiest way to improve your sound.


This DAC, Amp or Hi-Res player offers a balanced output, ensuring pristine audio quality with minimised interference and enhanced clarity for your listening pleasure.


If you see a product marked as "⚖️ Balanced Output”, get ready for a symphony of crystal-clear tunes, free from any unwanted noise drama!
Sampling Rate And Bit Depth

Ever wonder how those ones and zeros on your computer magically transform into the rich melodies that fill your room?


The secret lies in a tiny device called a Digital-to-Analog Converter (DAC). Think of it as a translator, taking the digital code of your music and meticulously sculpting it back into a smooth, analog wave that your speakers can understand. But just like a sculptor needs the right tools, achieving audio nirvana with a DAC depends on two key factors: sampling rate and bit depth.


Sampling Rate:

Imagine your favourite song as a complex rollercoaster track. The sampling rate refers to how often the DAC takes measurements of this digital track, measured in kHz (kilohertz) or thousands of times per second. A higher sampling rate, like 96 kHz, is like taking a ton of pictures of the track, capturing every twist and turn with incredible detail. Lower rates, like the standard 44.1 kHz used in CDs, are like taking snapshots at a theme park – fun, but you might miss some of the subtler details that make the ride truly exhilarating.


Bit Depth:

Now, think about the sculptor's tools. Bit depth refers to the precision of each measurement the DAC takes. Imagine the number of colours available to the sculptor. With higher bit depth (e.g., 24 bits compared to 16 bits), each measurement can capture a wider range of values. This allows the DAC to recreate subtler variations in the sound wave, resulting in richer and more nuanced audio. It's like having a broader colour palette for building a more detailed and lifelike sculpture of the sound.

FiiO Presents The All-New And Upgraded 24Bit R2R DAC & Amp - The K11 R2R

FiiO introduces an all-new R2R variant of its acclaimed K11 desktop DAC&Amp. Featuring a self-developed 24-bit R2R Resistor Array, the K11 R2R delivers smooth and rich sound. It offers NOS and OS dual operating modes, dual headphone outputs (6.35mm single-ended and 4.4mm balanced), and a powerful 1300mW per channel output with three-level adjustable gain. Experience rich, smooth, organic sound with the FiiO K11 R2R.

Fully-Differential 24-Bit R2R DAC Architecture For Clean Sound

FiiO's K11 R2R features a newly developed four-channel, fully differential 24-bit R2R resistor array. Each channel has 48 resistors, totalling 192 high-precision ultra-thin film resistors with 0.1% accuracy and low-temperature drift. This advanced audio circuit architecture ensures clean, crisp output with a dark background.

True Hi-Res Audio Signal Decoding And Dual Operating Mode

The FiiO K11 R2R supports high-resolution audio decoding, handling up to 32-bit/384kHz PCM and DSD256 signals. It features switchable NOS (Non-Oversampling) and OS (Oversampling) modes, offering two distinct sound profiles. NOS maintains the original sampling rate for a more musical presentation, while OS upsamples to 384kHz for enhanced detail and clarity.

Powerful Amplification Stage And Precise Volume Adjustment

The FiiO K11 R2R boasts professionally designed amp circuitry with Ti OPA1642 low-pass filters and dual SGM8262 operational amplifiers. It delivers up to 1300mW per channel, easily driving demanding headphones. The device features three-level gain modes and three independent volume curves for compatibility with both sensitive and high-power gear and uses the NJW1195A digital volume chipset for precise, low-distortion volume adjustment.

Seamless Connectivity With A Variety Inputs And Outputs

The FiiO K11 R2R offers versatile input and output options for diverse audio setups. It features coaxial, optical, and USB digital inputs, along with 4.4mm balanced, 6.35mm single-ended headphone output, and RCA analog line-out connections. Designed to fit various audio needs without straining your budget, the K11 R2R pairs virtually with any device. Pair it with IEMs and headphones to enjoy high-resolution music in all its glory.

Fully-Differential 24-Bit R2R DAC Architecture For Clean Sound

FiiO's K11 R2R features a newly developed four-channel, fully differential 24-bit R2R resistor array. Each channel has 48 resistors, totalling 192 high-precision ultra-thin film resistors with 0.1% accuracy and low-temperature drift. This advanced audio circuit architecture ensures clean, crisp output with a dark background.

True Hi-Res Audio Signal Decoding And Dual Operating Mode

The FiiO K11 R2R supports high-resolution audio decoding, handling up to 32-bit/384kHz PCM and DSD256 signals. It features switchable NOS (Non-Oversampling) and OS (Oversampling) modes, offering two distinct sound profiles. NOS maintains the original sampling rate for a more musical presentation, while OS upsamples to 384kHz for enhanced detail and clarity.

Powerful Amplification Stage And Precise Volume Adjustment

The FiiO K11 R2R boasts professionally designed amp circuitry with Ti OPA1642 low-pass filters and dual SGM8262 operational amplifiers. It delivers up to 1300mW per channel, easily driving demanding headphones. The device features three-level gain modes and three independent volume curves for compatibility with both sensitive and high-power gear and uses the NJW1195A digital volume chipset for precise, low-distortion volume adjustment.

Seamless Connectivity With A Variety Inputs And Outputs

The FiiO K11 R2R offers versatile input and output options for diverse audio setups. It features coaxial, optical, and USB digital inputs, along with 4.4mm balanced, 6.35mm single-ended headphone output, and RCA analog line-out connections. Designed to fit various audio needs without straining your budget, the K11 R2R pairs virtually with any device. Pair it with IEMs and headphones to enjoy high-resolution music in all its glory.

Expertly Engineered Audio Circuit For Reliable Audio Transmission

The FiiO K11 R2R transmits the audio signal via a USB processor to a digital audio bridge. After FPGA processing, it goes to the R2R DAC for 4-channel output, then through Ti OPA1642 op-amps for filtering and conversion to single-ended signals. The NJW1195A chip ensures precise volume adjustment. The output stage uses SGM8262 op-amps for 4-way phase inversion and amplification, resulting in single-ended and balanced outputs. The audio circuit includes gain controls, a headphone protection circuit, and a pop noise elimination system for high-quality, reliable sound.

Embedding High-Quality Components For Unmatched Performance

The FiiO K11 R2R is expertly engineered with high-quality internals for an exceptional music listening experience. It features Beryl solid capacitors for a stable, clean power supply, and enhanced heat dissipation with thermal silicone gel and aluminium alloy. An exclusive phosphor copper metal shielding provides corrosion resistance and anti-oxidation, ensuring accurate signal processing. The K11 R2R includes DC protection to prevent headphone damage, a smart power-saving mode, and durable metal-pressed RCA connectors for stability and longevity.

Low-Noise Power Supply Design For Distortion-Free Sound

The FiiO K11 R2R features a professionally designed low-noise power supply with 17 low-noise LDO precision voltage regulator ICs and 2 DC-DC converters, providing a multi-channel power supply of －9V, 8V, ±7.5V, ±6V, 5.4V, 3.3V, 1.8V, and 1.2V. Combined with an external custom 12V switching power supply, it ensures power purity and a solid foundation for powerful output, delivering a high-quality music listening experience.

Designed With A Screen, RGB Logo And Multifunction Knob

The FiiO K11 R2R features a robust, high-definition LCD screen that offers clear visuals and durability. It efficiently displays device status like sampling rates, volume, gain, and output mode. The illuminated RGB FiiO logo changes colours based on the active file's bitrate, and its brightness, colour, and patterns are customisable via the multi-function knob. This knob also handles power, volume, and menu navigation, with a double press to switch between Line-out, Pre-out, and Phone-out modes. The slim aluminium body and silicone anti-slip pad ensure stable and flexible placement.

Expertly Engineered Audio Circuit For Reliable Audio Transmission

The FiiO K11 R2R transmits the audio signal via a USB processor to a digital audio bridge. After FPGA processing, it goes to the R2R DAC for 4-channel output, then through Ti OPA1642 op-amps for filtering and conversion to single-ended signals. The NJW1195A chip ensures precise volume adjustment. The output stage uses SGM8262 op-amps for 4-way phase inversion and amplification, resulting in single-ended and balanced outputs. The audio circuit includes gain controls, a headphone protection circuit, and a pop noise elimination system for high-quality, reliable sound.

Embedding High-Quality Components For Unmatched Performance

The FiiO K11 R2R is expertly engineered with high-quality internals for an exceptional music listening experience. It features Beryl solid capacitors for a stable, clean power supply, and enhanced heat dissipation with thermal silicone gel and aluminium alloy. An exclusive phosphor copper metal shielding provides corrosion resistance and anti-oxidation, ensuring accurate signal processing. The K11 R2R includes DC protection to prevent headphone damage, a smart power-saving mode, and durable metal-pressed RCA connectors for stability and longevity.

Low-Noise Power Supply Design For Distortion-Free Sound

The FiiO K11 R2R features a professionally designed low-noise power supply with 17 low-noise LDO precision voltage regulator ICs and 2 DC-DC converters, providing a multi-channel power supply of －9V, 8V, ±7.5V, ±6V, 5.4V, 3.3V, 1.8V, and 1.2V. Combined with an external custom 12V switching power supply, it ensures power purity and a solid foundation for powerful output, delivering a high-quality music listening experience.

Designed With A Screen, RGB Logo And Multifunction Knob

The FiiO K11 R2R features a robust, high-definition LCD screen that offers clear visuals and durability. It efficiently displays device status like sampling rates, volume, gain, and output mode. The illuminated RGB FiiO logo changes colours based on the active file's bitrate, and its brightness, colour, and patterns are customisable via the multi-function knob. This knob also handles power, volume, and menu navigation, with a double press to switch between Line-out, Pre-out, and Phone-out modes. The slim aluminium body and silicone anti-slip pad ensure stable and flexible placement.

Dual Headphone Output

The FiiO K11 R2R features dual headphone outputs, including a 6.35mm single-ended and a 4.4mm balanced output, making it versatile for use with various IEMs and headphones.

LCD Screen

A high-contrast, durable LCD screen lets you effortlessly view the sampling rate, volume, gain, and output mode at a glance.

Multi-Function Knob

The FiiO K11 R2R's multi-function volume knob powers the device on and off, navigates the menu, adjusts volume, and performs other functions. It allows quick execution of complex actions with a simple press and turn.

Accessories to Get you Started

1. Power adapter*1
2. Power cable*1
3. USB data cable*1
4. Headphone adapter*1
5. Quick start guide*1
6. Warranty card*1

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Silver

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All You Need To Know About The FiiO K11 R2R

Headphone Output
Standard 6.35mm port
Standard 4.4mm port
Buttons And Ports
Knob : Encoder knob (including volume adjusting and menu confirming)
Single-ended line-out : RCA port
Digital coaxial in : RCA port
USB : Type-C (data transmission)
Digital optical in : Optical port
Digital coaxial out : RCA port (only works in USB mode)
Hardware Solution
SoC: GD32F303RE,
DAC: FIIO-developed R2R DAC,
USB decoding: SA9312L,
AMP: SGM8262-2*2
Adaptive Impedance
PO: 8~150Ω
BAL: 8~350Ω
Max Supported Sampling Rate
384kHz-32bit/DSD256 (USB DAC)
192kHz-24bit (Coaxial)
96kHz-24bit (Optical)
Sampling Rate Indication
LOGO indicator light shows as default: Cyan: 48KHz and below/Yellow: above 48kHz/Green: DSD
Show on display screen


Other Details

Generic Name DAC & Amp
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Manufacturer Details Name: HK JADE Audio Technology CO., Limited
Address: Room 1508, 15/F, Yalam Central Studio II, 625 Nathan Road, Kowloon, CHINA
Package Contents FiiO K11 R2R
Power adapter*1
Power cable*1
USB data cable*1
Headphone adapter*1
C Quick start guide*1
Warranty card*1

Manuals & Guides


Quick Start Guide | K11 R2R

Desktop R2R DAC & Headphone Amp



1 Year Warranty

Don't sweat it, this FiiO - K11 R2R comes with a 1 Year warranty from FiiO that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about FiiO's warranty in India.

Inspiring Audio Excellence Worldwide

FiiO creates high-quality music gear like DACs, Music Players, and Amplifiers at affordable prices, appealing to music lovers worldwide. With a presence in India via its FiiO India website and global availability on various platforms, FiiO focuses on user needs and innovation to deliver exceptional audio solutions. Their product range, spanning players, speakers, earphones, and DAC & Amp, aims to inspire with soulful music experiences.

Fun fact:The brand name FiiO is composed of Fi (fidelity from HiFi) and iO (number 1&0), representing the convenience that the digital world brings to life.

Explore Collection
FiiO K11 R2R is an outstanding value product, providing a solid performance across the board in a very slim package and at reasonable price point.
Instead of giving listeners a product with new looks, FiiO has decided to dramatically improve the quality and internals of their entry level DAC/AMP.

Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 10am-6:30pm.Average answer time: 2-3 Hours

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    If you see a product marked as “🦋 Audiophile Community Favourite”, you're in for a sonic treat with top-tier sound quality that will make your ears swoon and elevate your listening experience to new heights!

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    If you see products marked as “✂️ Use Wirelessly with Bluetooth”, enjoy the freedom to stream music, make calls, and more, all without being tethered to your device, giving you the flexibility to move around and multitask with ease.

  • DAC Chip

    Know the secret to your pristine audio.


    This headphone or gear reveals the secret sauce behind superior audio quality, highlighting the presence of a high-performance DAC chip for pristine sound reproduction.


    If you see products marked as “⚙️ DAC Chip”, expect to experience your music with unparalleled clarity, detail, and fidelity, ensuring that every note and nuance is faithfully reproduced for your listening pleasure.

TO BE RESTOCKED BY December

Customer Reviews

Based on 13 reviews
85%
(11)
8%
(1)
0%
(0)
0%
(0)
8%
(1)
A
ANKIT BAKSHI (Kolkata)
Possibly New Budget King

A very sleek device. Great at removing digital glare.
Amp section could have been a tad warmer.
Sound is neutral yet not anemic. A very weird sensation unlike what I come to expect from delta/sigma dacs. But it's good.
After listening to this one can understand what is true to source decoding.

Soundstage is a pushed back affair.
Here too I would have liked some intimacy.

The menu takes a bit used to.
Fiio managed to fit preamp function into it. I would have liked LO to be operational independent of PO.
Red color is fantastic and the logo colours too.

Thanks a lot for your detailed and genuine feedback, we're glad that you have such positive thoughts about the product. It'll also help our fellow customers to make the right choice!

A
Amarendra Tembe (Mumbai)
Great little device

This device is evidence of the progress which tiny DACs have made. I pulled the trigger to buy since this has a preamp + display and best of all it’s an R2R DAC.
The music sounds sweet and the DAC takes away the digital harshness that comes with most delta sigma DACs. The preamp function is great and the display helps to know the resolution. Hi-res music sounds even better and overall the DAC allows for long listening sessions. It’s not the most analytical of DACs but if you want to listen for long hours without fatigue then go for this.

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Hey there, thank you for the great review and ratings! So delighted that you are loving your purchase. Hope you had a comfortable shopping experience. Cheers!😄

M
MANDEEP SINGH (Chandigarh)
🎉🪔 R2R Magic by Fiio 🥇🏆

The DAC/amp is really small when compared with other R2R dac/amps , but it's big on sound. I am using the R2R + tube amp combination. Truly magical. Don't hesitate to buy. Fiio K11 R2r is a Surprise package altogether. Never expected such performance. Low end is great, mids are beautiful, highs are smooth without being harsh. Soundstage and imaging both are top notch. Much.. much better than my Cayin RU6. Sharing some pictures.Thanks headphone zone for quick delivery and their amazing support as always.👍 Smooth, soothing sound quality. Vocals and instruments sound so amazing. Just brilliant 👌💯

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Hey there, thank you for the great review and ratings! So delighted that you are loving your purchase. Hope you had a comfortable shopping experience. Cheers!😄

D
Debajyoti Mitra (Bengaluru)
Fiio K11 R2R: A Smart, Powerful Amp with a Bright Edge

The Fiio K11 R2R is a well-crafted DAC/amp that stands out with its smart, compact design, making it an appealing choice for audiophiles on the go. Its powerful amp section ensures that even demanding headphones are driven with ease, delivering a robust and detailed sound.

However, the device tends to lean towards a treble-heavy presentation, which, while adding clarity, can sometimes result in a slightly harsh listening experience, especially at higher volumes. For those who prefer a brighter sound signature, the Fiio K11 R2R offers a compelling option, though it may not suit listeners sensitive to sharper treble frequencies.

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bhupinder sidhu (Ludhiana)
R2R at your budget

I was waiting for this device till the time it announced so grabbed quickly before it was out of stock, sound just amazing at this price point , make a fantastic pair with my Fiio ft3 , thanks headphone zone for best service

Thank you for your review! We are glad to hear that the FiiO K11 R2R has exceeded your expectations and pairs well with your Fiio ft3.

G
Govardhan P (Bengaluru)
R2R goodness

Has great synergy with HD600. Turns out to be better option than Topping DX3+ [powerful enough to drive the HD600 and cheaper]. Have used it in NOS mode and the sound is very natural and musical. Would be interesting to experiment with a good tube amp to unlock more performance.
Reduces brightness vs DS DACs. Less fatiguing due to this.

Would be very interested if FiiO makes a higher end model with better amp stage and more features at a reasonable price.

Cons - amp stage is on the weaker side, no dedicated buttons for toggling nos/os mode and gain modes. Some loss of detail and sound stage which is acceptable given the price point.

Overall highly recommended R2R option.

Thank you for your review! Happy listening!

R
Rahul (Bengaluru)
Get these! One of the best Value for money in audio right now

Fiio is the king right now. Everything they make is special and full of flavor. Great DAC, great pre amp section, good enough amp section to drive my HD650s to loud levels at high gain. Sounds amazing as a DAC/pre amp for my mission LX2 speakers as well. Biggest value for money right now in the market.

Hi there! Thank you for your kind review of the FiiO K11 R2R.

G
Ganesh (Hyderabad)
I am very happy with the product and it's performance. Thankyou very much Headphone Zone.

Initially in thought does a DAC makes any difference in audio. But after listening to FIIO R2R dac my mind blown away. I was really surprised with those mids and lows. I strongly recommend the product to every Audiophile. Once again thankyou very much "Headphone Zone".

Thank you so much for your kind words and for taking the time to write a review. We are thrilled to hear that you are happy with the FiiO K11 R2R and its performance. Happy listening!

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