FIIO K11 Compact Desktop DAC and Headphone Amplifier

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  • Main Chip: GD32F303RET6
  • DAC Chip: CS43198
  • Variety of inputs; USB-C, Coaxial and Optical
  • RCA output
  • 3 gain levels with separate volume curves
  • Specially designed audio circuit and power supply
  • Hi-Res Support: Up to 384kHz / 32-bit
  • DSD Support: DSD256 Hardware Decoding
  • Always-on display and adjustable RGB logo lighting
  • Multi-function knob for volume adjustment and operation   
  • Output Power: Up to 1400mW + 1400mW  
  • Driver-free operation
  • Balanced Load: 32Ω
  • Dimensions: 147 x 133 x 32.3 mm


In the Box

  • FiiO K11 Compact Desktop DAC and Headphone Amplifier
  • Power Adapter (including AC cable)
  • USB A to C cable
  • 6.35mm adapter
  • Quick start guide
  • Warranty card

Clearance products

  In stock
Properties: Box opened
Packaging: Good
Accessories: Good
Manuals: Good
Software: Good
Functional: Good


A variety of inputs and outputs

On the K11 are USB*, optical and coaxial inputs as well as 4.4mm, 6.35mm, RCA line, and coaxial outputs*. Having more inputs and outputs than other typical entry-level amps means the K11 is more than capable of meeting your needs of putting together a capable audio setup.

*USB connection to phones for decoding does not consume the phone’s battery

*Coaxal input and output share the same physical connector, Coaxal output can only be used in USB mode

Large power output

Under a 32Ω load, the K11 is capable of pushing 1400mW under balance modes. This allows it to easily drive many HiFi earphones and headphones to fully unlock their potential.

3 gain levels, 3 volume curves

The K11 has 3 separate gain levels, each gain level having its own volume curve. This allows the K11 to give you a better listening experience with various types of headphones, whether you are using sensitive earphones or harder-to-drive over-ear headphones.

Specially designed audio circuit and power supply

Within the K11’s slim build lies a specially designed audio circuit designed for great sound quality. This is backed by more than 16 low-noise LDOs for precise voltage stabilization and powered by an external 12V switching power supply. All of this leads to a purer and more robust supply of power, leading to stable high-quality audio and thus truly enjoyable music all of the time.

Slim and stable

The slim aluminium alloy body allows you to easily place the K11 anywhere, making it easier to put the device in a way that compliments the rest of your desk. Thanks to the silicon anti-slip pad, the K11 rests stably and firmly on your table too.

Clear always-on display

A custom, high-contrast and durable VA display allows you to easily see the sampling rate, volume, gain, or output mode with just a glance.

Adjustable RGB logo lightning

The FiiO logo is illuminated with RGB lightning, giving you a quick way to identify the sampling rate of the current audio being played back. Six LED strips work in conjunction with a carefully placed reflective film and parts of the body designed to reflect light to make the light show uniform and elegant.

One multifunction volume knob

In the K11’s minimalist design, the volume knob acts as a critical source of control. The K11’s multifunction volume knob is used to power the device on and off, for menu operation, for volume adjustment, and for functions. The knob is designed so that you can quickly execute various complex actions by simply pressing and turning the knob. You can also quickly switch between LO/PO modes by double-pressing the knob, making it easier for you to appropriately connect to different headphones or audio setups.

Driver-free mode for plug-and-play

The K11 used in USB DAC mode does not require a driver on Windows 10 and above systems, and can also be used with video game consoles such as the PS5 and the Switch. Simply plug and play for worry-free usage whether you are enjoying music or being immersed in games. Driver is available to install for support of higher sampling rates.



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