Inputs and outputs
With more inputs and outputs than typical entry-level models, the FiiO K11 can cater to diverse audio setups.
It features digital inputs via USB-C, coaxial, and optical Toslink. The USB connection doesn't draw power from your computer, tablet, or smartphone.
On the output side, there's 6.35 mm single-ended and 4.4 mm balanced jacks to drive your headphones. Both are located on the front of the K11 for convenient ergonomics. On the rear, you'll find an RCA line output which can be adjusted up to a maximum of 2Vrms, interfacing with a variety of active speakers and external amplifiers. The digital coaxial input can also be switched to an output in USB mode.
Headphone amplifier
Under a 32-ohm load, the K11 is capable of pushing 1400mW under balanced mode through the 4.4 mm output. This allows it to easily drive many hi-fi earphones and headphones to better unlock their potential.
The K11 has three separate gain levels, each with its own volume curve. This provides a better listening experience with various types of headphones, whether you are using sensitive earphones or harder-to-drive over-ear headphones.
DAC chip, audio circuit, and power supply
K11 features a high-performance CS43198 DAC chipset that excels at decoding high-resolution 32-bit/384kHz PCM and Native DSD256 audio signals.
Within the K11's slim build also lies a special audio circuit designed for great sound quality. This is backed by more than 16 low-noise LDOs for precise voltage stabilization. Plus, the system is 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 truly enjoyable music.
Slim and stable enclosure
The slim aluminum alloy body allows you to easily place the K11 anywhere, making it easier to complement the rest of your desk. Thanks to the silicone antislip pad, the K11 rests stably and firmly on your table.
High-contrast display
A custom, high-contrast display and durable VA display allows you to easily see the sampling rate, volume, gain, or output mode with just a glance.
RGB logo lighting
The FiiO logo is illuminated with RGB lighting, 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. You can customize brightness, colour, and patterns via the multi-function knob.
Single knob interface
The K11's minimalist design includes a single versatile knob to control power, volume, menu navigation, and more. 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 line-out and headphone-out modes by double-pressing the knob, making it easier for you to switch your listening setup.
