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The FiiO K11 R2R DAC and Headphone Amplifier delivers outstanding audio performance for audiophiles and music enthusiasts. With an R2R resistor ladder DAC design, the K11 ensures precise and natural sound reproduction. Featuring a versatile headphone amplifier and robust output power, this compact unit is perfect for driving a wide variety of headphones. Whether you're connecting it to your computer, phone, or other audio devices, the FiiO K11 enhances your listening experience with clean, detailed audio.

Key Features

  • R2R DAC technology provides a natural, precise sound with exceptional clarity
  • Powerful headphone amplifier drives a wide range of headphones with ease
  • High-resolution support up to 32-bit/384kHz ensures detailed, high-quality audio playback
  • Multiple inputs and outputs including USB, coaxial, optical, and RCA for versatile connectivity
  • Balanced 4.4mm and unbalanced 3.5mm outputs for flexible headphone pairing
  • Robust output power delivers up to 1400mW at 32Ω, ensuring strong performance
  • Compact and sleek design fits perfectly in any desktop or portable audio setup

Why Buy

The FiiO K11 offers audiophiles powerful, high-quality audio performance with versatile features to suit all their headphone and audio needs.

  • Natural sound quality thanks to the precision of the R2R DAC design
  • Powerful output suitable for both high and low impedance headphones
  • Flexible connections for effortless integration with your audio setup

Product Specifications

FiiO K11 R2R DAC and Headphone Amplifier (Black) Specifications
Brand FiiO
Model K11 R2R
Type Desktop DAC and Headphone Amplifier
DAC Architecture Custom 4-channel 24-bit R2R DAC with 96 thin-film resistors per channel
Supported Formats PCM up to 384kHz/32-bit, DSD up to DSD256
Oversampling Modes Non-Oversampling (NOS) and Oversampling (OS) up to 384kHz
Inputs USB-C, Optical (TOSLINK), Coaxial (RCA)
Outputs 6.35mm Single-Ended, 4.4mm Balanced, RCA Line Out
Output Power (Single-Ended) 660mW @16Ω, 460mW @32Ω, 50mW @300Ω
Output Power (Balanced) 520mW @16Ω, 1300mW @32Ω, 220mW @300Ω
Gain Settings 3 levels (Low, Medium, High)
Volume Control Electronic volume control (NJW1195A)
Power Supply External 12V DC, 2A
Signal-to-Noise Ratio (SNR) ≥115dB
Total Harmonic Distortion (THD+N) 0.025% (1kHz/0dB@10KΩ)
Frequency Response 20Hz – 50kHz @ -1.3dB
Chassis Material Aluminum alloy
Dimensions 5.7" x 5.2" x 1.2" (145mm x 132mm x 30mm)
Weight 15oz (approximately 425g)
Compatible Devices PC, Mac, Smartphones, Tablets, HiFi Players
Volume Curves 3 selectable curves for different use cases
Capacitors High-quality Beryl solid capacitors
Warranty 1 Year

FiiO K11 R2R DAC and Headphone Amplifier (Silver) FAQs

What makes the FiiO K11’s R2R DAC unique compared to standard DACs?

The FiiO K11 uses an R2R DAC design, which employs discrete resistors to process audio signals, delivering a more natural and analog-like sound compared to traditional delta-sigma DACs.

Can the FiiO K11 drive high-impedance headphones?

Yes, the K11 is equipped with a powerful headphone amplifier capable of driving high-impedance headphones up to 300 ohms with clarity and precision.

Does the FiiO K11 support high-resolution audio formats?

The K11 offers versatile connections, including USB input, coaxial, and optical inputs, along with RCA line-out for use with external amplifiers or active speakers.

What connectivity options are available on the FiiO K11?

The K11 offers versatile connections, including USB input, coaxial, and optical inputs, along with RCA line-out for use with external amplifiers or active speakers.