SKU: 88965390186

Open Box FiiO K11 R2R High-Performance Desktop DAC / Headphone AMP

Sale price$107.09 Regular price$118.99
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Description

Open Box FiiO K11 R2R High-Performance Desktop DAC / Headphone AMPOur open box products, used exclusively for unboxing videos, are original and unworn, available at a surprise discount price. Only one of each type in stockfirst come, first served. Purchase now for immediate shipping. Features: >High Performance Desktop R2R DAC AMP. >Fully Differential 24 Bit R2R Resistor Array. >NOS OS Dual Mode Free Switching. >Professionally Designed Electronic Volume Control Chipset(NJW1195A). >Supports 32 Bit 384kHz PCM and

Our open box products, used exclusively for unboxing videos, are original and unworn, available at a surprise discount price. Only one of each type in stock—first come, first served. Purchase now for immediate shipping.

Features:-

>High-Performance Desktop R2R DAC/AMP.

>Fully Differential 24-Bit R2R Resistor Array.

>NOS/OS Dual-Mode Free Switching.

>Professionally Designed Electronic Volume Control Chipset(NJW1195A).

>Supports 32-Bit/384kHz PCM and Native DSD256 Audio Signal Processing.

>Professional Audio Amp Circuit.

>1300mW+1300mW Strong Output.

>Three-Levels Adjustable Gain.

>Specially Designed Low-Noise Power Supply.

>6.35mm+4.4mm Dual Headphone Output Options.

>High-Quality Emerald Solid-State Capacitors.

>Customized LCD Display Screen.

>Global RGB Logo Light.

FiiO has released a new R2R variant for its highly acclaimed K11 desktop DAC/AMP. With a self-developed fully differential 24-Bit R2R Resistor Array, the K11 R2R brings a smooth and rich sound to its listeners. The K11 R2R has NOS/OS dual operating modes, each having its own sound characteristics. The DAC/AMP houses dual headphone output options, one 6.35mm single-ended and another 4.4mm balanced port. Equipped with a powerful amp section with three-level adjustable gain and high-quality emerald solid-state capacitors, the K11 R2R delivers a strong output of 1300mW per channel. Experience a rich, smooth, organic R2R sound with the FiiO K11 R2R, available now!!

Fully-Differential 24-Bit R2R DAC Array:-

FiiO has featured its newly developed four-channel fully differential 24-bit R2R resistor array on the K11 R2R. It consists of 48 resistors per channel, a total of 192 high-precision ultra-thin film resistors with 0.1% accuracy and low-temperature drift between the four channels. It promises clean and crisp output with dark background thanks to the specially developed audio circuit architecture.

NOS/OS Dual Operating Modes:-

FiiO K11 R2R has NOS(Non-Oversampling) and OS(Oversampling) dual operating modes. These are freely switchable and offer dual sound characteristics with the device. The NOS mode maintains the original sampling rate while signal processing while the OS mode oversamples all the signals to 384kHz for processing. NOS mode results in more musical presentation while the OS mode delivers more details and clarity.

Powerful Amp Section:-

FiiO has equipped the K11 R2R with professionally designed amp circuitry. It consists of Ti OPA1642 as Low-Pass filters and then dual SGM8262 Professional-grade operational amplifiers. The K11 R2R has an output power rating of up to 1300mWx2, which is adequate enough to drive demanding headphones with ease. It has three-level gain modes for easy pairing with sensitive as well as high-power requiring gear. The K11 R2R also adopts NJW1195A precise digital volume chipset for precise volume adjustment with low distortion between the channels.

Dual Headphone Output Ports:-

FiiO K11 R2R houses dual headphone output ports. It consists of a single-ended 6.35mm port and a balanced 4.4mm output port. You can easily pair different IEMs and headphones with the K11 R2R and enjoy high-resolution music to all its glory.

True High-Resolution Audio Signal Processing:-

FiiO K11 R2R supports decoding for high-resolution audio signals. It has full support for PCM and DSD signal processing supporting up to 32-bit/384kHz PCM and DSD256 audio signals. DSD256 requires the DSD output mode to be set to native. It is internally converted into PCM for R2R signal processing.

Professionally Designed Low-Noise Power Supply:-

FiiO K11 R2R features a professionally designed low-noise power supply. It consists of 17 Low-Noise LDO precision voltage regulator ICs and 2 DC-DCs providing a multi-channel power supply. It further benefits from the external 12V power supply ensuring a clean output with low noise and distortion issues. K11 R2R delivers quality sound for its users.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 88965390186

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Leyla Leiva
Louisville, US
★★★★★ 4
Good Value Napkins for Everyday Use
These napkins are a good everyday option. The size is large, they’re affordable, and the quality is good for the price. I like that they have a textured surface, which makes them more useful than plain napkins. They are a bit thin, so I didn’t give 5 stars, but for daily meals and regular use, they work great. Overall, a solid and budget-friendly product.
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Reviewed in the United States on January 21, 2026
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eileen
Pawtucket, US
★★★★★ 5
Good Value and good napkins !!!
Such a good value and nice napkins ! We use tons of them !
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Reviewed in the United States on May 30, 2026
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Bethany
Alexandria, US
★★★★★ 5
Soft and convenient, but slightly thin
I bought these disposable napkins for family dinners and small gatherings, and overall they’ve been very useful. They’re soft enough to feel comfortable while still absorbing spills and messes fairly well. I also like that the size is practical for everyday meals and snacks, and the stack fits neatly on the table without taking up much space. The napkins separate easily too, which is convenient when guests are around. However, they are a little thinner than I expected, so sometimes I end up using two for bigger spills. Still, they work well for regular use and are a convenient option to keep around the kitchen and dining area.
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Reviewed in the United States on May 15, 2026
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Marvinsmom
Dallas, US
★★★★★ 3
Basic everyday napkins but very thin
These are about as basic as paper napkins get. They work fine for everyday meals and quick cleanup, but they are definitely on the thinner side. You usually end up needing more than one for messier foods or larger spills because they don’t feel especially absorbent or heavy-duty. That said, the large count is convenient for everyday household use, cookouts, lunch packing, or casual gatherings where you go through napkins quickly. Overall they’re functional budget napkins, just nothing particularly thick or special.
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Reviewed in the United States on May 28, 2026
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Tammy C
Charlottesville, US
★★★★★ 5
Good purchase
Good price, not bad quality.
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Reviewed in the United States on May 8, 2026

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