FIIO K11 R2R Desktop Headphone Amp User Guide
- July 12, 2024
- Fiio
Table of Contents
FIIO K11 R2R Desktop Headphone Amp
Buttons and Ports Labeled
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 bechanged, 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 physical button to immediately switch between PO/PRE (LO SE) /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 R2R can work on Windows 10 and above systems. When connecting the K11 R2R 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 R2R off and on, or unplug and plug in the power cable to restore it to a normal state.
- Please adjust the volume to a suitable level before wearing headphones so as to protect your hearing.
- Please do not wear headphones when plugging in or unplugging the headphones in case there may be a sudden 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 R2R
- Headphone adapter
- Power cable
- Power adapter
- Quick start guide
- Warranty card
- USB cable
To Learn More
- For related video instructions of the K11 R2R and FAQ (Frequently Asked Questions), please scan the QR code below.
- To learn more about the product, please visit our website: www.fiio.com
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 Statement
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 in accordance with 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 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 minimum distance 20 cm between the radiator & your body. Hereby, Guangzhou FIlO Electronics Technology Co., Ltd declares that this device is in compliance with Directive 2014/30/EU. The full text of the EU Declaration of Conformity is available at: www.fiio.com/doc