FiiO K11 Desktop DAC and Headphone Amplifier User Manual
- June 1, 2024
- Fiio
Table of Contents
FiiO K11 Desktop DAC and Headphone Amplifier
Buttons and Ports Labeled
- 6.35mm headphone out
- 4.4mm balanced headphone out
- Display screen
- Volume knob with physical button: Rotate to adjust volume/ 4 switch submenus, short press to turn on, hold to turn off, double press to switch PO/LO
- DC power input
- USB port
- Optical input
- Coaxial input/output
- Line output
- RGB indicator light
Operation Explained
Power on/off
Plugging in a DC power supply and short-pressing the power button (volume knob), the device will be turned on. When the device is on, hold the power button for about 5s to turn it off.
Volume knob operation
-
Switch working mode: Turn on the device. On the homepage, short-press the volume knob to enter the working mode menu. Rotate the knob to successively switch between USB IN, OPT IN and COAX IN. After selecting the desired mode, short-press the volume knob to complete the switch and return to the homepage.
If no mode is selected, hold the knob to return to the homepage. -
Settings menu: Turn on the device. On the homepage, hold the volume knob for about 2s to enter the Settings menu. Rotate the knob to switch between different settings. When the current setting needs to be changed, short-press the volume knob, and there will be flashing characters showing up on the menu. At this time, rotate the knob to switch between different settings, and short press the knob to confirm the setting. Then, the new setting will take effect with no character flashing anymore. Other settings can still be changed.
On the settings menu, hold the volume knob for about 2s to return to the homepage. -
Adjust volume: On the homepage, rotate the volume knob to turn the volume up and down.
-
Quickly switch output: On the homepage, double press the volume knob with a physical button to immediately switch between PO and LO.
Introduction to Settings menu
Notes:
- The coaxial output only works in USB mode. In optical/coaxial decoding mode, coaxial outputs no signal.
- The K11 can work on Windows 10 and above systems. When connecting the K11 to a Windows computer for the first time, please first download the USB driver on our official website at http://www.fiio.com/Driver_Download. OSX system runs driver-free.
Notes and Precautions
- In case of system errors, please try to either turn the K11 off and on or unplug and plug in the power cable to restore it to a normal state.
- Please adjust the volume (adjustable volume at the line out) to a suitable level before wearing headphones to protect your hearing.
- Please do not wear headphones when plugging in or unplugging the headphones in case there may be an impulse noise damaging your hearing.
- Please do not repair or disassemble the product on your own and please keep it away from water.
- You may be unable to hear the sounds around you when wearing headphones. For your safety, it is not recommended to use headphones in dangerous environments.
List of Items Included (please check if the following items are included)
- K11
- Headphone adapter
- Power cable
- Power adapter
- Quick start guide
- Warranty card
- USB cable
To Learn More
- For related video instructions of the K11 and FAQ (Frequently Asked Questions), please scan the QR code below.
To learn more about the product, please visit our website:
Due to continuous improvement, every specification and design is subject to change at any time without further notice.
WEEE Directive & Product Disposal
- At the end of its serviceable life, this product should not be handed as household or general waste.
- It should be handed over to the applicable collection point for the recycling of electrical and electronic equipment or returned to the supplier for disposal.
FCC NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used by the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. The equipment should be installed and operated with
a minimum distance 20 cm between the radiator & your body.
Hereby, Guangzhou FiiO Electronics Technology Co., Ltd declares that this
device complies with Directive 2014/30/EU. The full text of the EU Declaration
of Conformity is available at: www.fiio.com/doc
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