Fiio K3 User Manual
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Fiio K3 User Manual

Multi-function usb dac for pc-hifi
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K3
Complete User manual
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Summary of Contents for Fiio K3

  • Page 1 Complete User manual...
  • Page 2 1、Product introduction K3 is a multi-function USB DAC for PC-HiFi. Being connected to a computer, it can work such as USB decoding, USB digital interface, audio decoding and amplification, etc. Product features：  Dual USB AUDIO mode  Flagship decoding capability PCM384k/DSD256 ...
  • Page 3 2、Ports and indicators explained: ① 2.5mm balanced headphone output interface Connect a 2.5mm ： earphone to this jack, balance the boost function will be started up automatically, which can improve the output power by about 50%. ② 3.5mm single-ended headphone output interface Connect a ：...
  • Page 4 ⑨ Type C USB interface Connect the computer (Windows system or OS system) to get power to K3. The audio input must use this port; ⑩ COAX OUT: Coaxial output port, this digital output port is used to connect speakers, amplifiers or decoders with coaxial input;...
  • Page 5 After connecting the data cable, turn the power/volume knob clockwise until you hear a click and turn the device on. For the MAC computer, there is no need to install the driver, but need to select K3 as sound device in Mac.
  • Page 6  When the phone is turned on or plugged in, the indicator light will flash then keep ON.  When K3 is turned off or disconnected, the indicator will be off. Step 2, select output jack according to the usage scene...
  • Page 7 Scene 1: Connect to the headset using a 2.5mm or 3.5mm port note：  When both headphone jack and a BAL jack are plugged in, only the BAL jack will be valid;  If you want to use the 3.5mm headphone jack, please unplug the 2.5mm balanced jack device;...
  • Page 8 Scene 2: Connect to active speaker or amplifier with a 3.5mm audio cable note：  line out is controlled by the power/volume knob and can work with 2.5mm/3.5mm output at the same time ; but recommend to eject the 2.5mm/3.5mm headphones while using the line out.
  • Page 9 Scene 3: Connect to the amplifier with coaxial input note：  The coaxial output supports up to 192k sampling rate and DOP output of DSD64. If the device does not support, please adjust the audio output settings of the PC player; ...
  • Page 10 Step 3, play the song on the computer using the music app First select K3 as the output device in the playback settings of the playback software. Take FB2000 as an example. Appendix document 2 is for reference. Then play the music and adjust the power/volume knob to...
  • Page 11 Please change the gain switch according to the following steps safely: Turn off K3 first ---- turn the gain switch to the high gain position ---- turn on the unit then gradually adjust to appropriate volume.
  • Page 12 note： Switching to high gain during use will increase the output power suddenly, which may damage your headphones and hurt your ears. 5, safety instructions ★When the system is abnormal, try to re-plug in the USB cable. ★Before using, please adjust it to appropriate volume (the LINE OUT volume can be adjusted).

  • Page 13: Troubleshooting

    ●Check whether the headset is plugged in totally. ●Check whether the volume is too low, increase the volume of the connected device or adjust the volume knob of K3 to increase the volume of the unit. Fault2: Small sound ●When using a high-impedance earphone, it is recommended to set the...
  • Page 14 ●You can increase the volume of the connected device or adjust the volume knob of K3 to increase the volume of the unit. ●In-ear earphone and headphones are recommended for PO or BAL output, and insertion of line output may result in less sound...
  • Page 15 20Hz~80KHz Line output 1.9Vrms amplitude Single-ended output 220mW（16Ω）120mW（32Ω） power Balance output 320mW（16Ω）200mW（32Ω） power ≥113dB Note: Specifications are subject to change and are subject to change without notice. 8, learn more To learn more about FiiO products, please go to http://www.fiio.com.
  • Page 16 Appendix 1: How to install driver Note: Please install the driver for K3 as follows (take win7 32-bit system as an example) First visit driver download link to download the official latest driver, as shown below: After the download is complete, unzip it，then double-click "FiiO_USB_DAC_Driver-V4.47.0.exe"...
  • Page 17 You can customize which disk to install on, or you can install it on the C drive as default. If the default C drive is installed, click "install"...
  • Page 18 During the installation process, you may encounter 2-3 anti-virus software interception. You need to manually select “Allow this operation” or “Allow all operations of the program”. “Allow loading” (this process is very important if you block the operation or Blocking loading will lead to failed driver installation)
  • Page 20 Appendix 2, FB2000 choose K3 operation tutorial Open FB2000, select menu "Library - Configuration" to enter the parameter option setting interface, as below: The "Play" - "Output" device can be selected, for example, KS: K3, click "Apply", and then click "Confirm", as shown below:...
  • Page 21 After selecting the output device, return to the main interface, select and play a song. Adjust it to appropriate volume, plug in your headphone and enjoy the music. To play DSD songs, you can choose the following output:...

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