K3 Complete User manual 1
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.
2、Ports and indicators explained: ①2.5mm 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 3.
⑤RGB indicator: This light is located next to the power/volume knob. While playing music, the indicator will display different colors according to the sampling rate. ⑥Power/Volume knob: Turn the knob clockwise to stop and turn the power on, then continue to rotate to increase the volume. Turn counterclockwise to decrease the volume, continue to rotate and hear the beep and turn off the power.
3, the usage steps Step 1, select the appropriate USB mode and connect to the computer with the data cable USB Audio 1.0, decoding sampling rate can reach 96k/24bit, no need to drive After connecting the data cable, turn the power/volume knob clockwise until you hear a click and the device turns on. Select the K3 device on the computer side. USB Audio 2.0, decoding sampling rate can reach 384k/DSD256, driver needs to be install in Windows.
For Windows system computers, please go to FiiO official website to download and install USB driver, download link www.fiio.com/q1mkiifaq, driver installation tutorial please see Appendix 1 of this document, select K3 as output device on the computer. How to select K3 as sound device: For example, Windows 7 system, right click on the desktop taskbar volume icon, then select the playback device to enter the "sound" management interface, finally Choose speaker “FiiO Q-series” as default.
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.
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.
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; Power/volume knob adjustment is invalid to the coaxial output volume.
Scene 4: Connect to the device with optical input port 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; Power/volume knob adjustment is invalid to the optical output volume. 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.
the appropriate volume to enjoy the music. note： It is recommended to adjust the volume of the computer to the maximum. Control the output volume of the unit by adjusting the volume knob. When playing songs with different sampling rates, the indicator light will change to display a specific color accordingly.
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). ★ To avoid pop sound that can hurt your ears, it is not recommended to wear headphones before plugging the headphones.
6, troubleshooting The following are some of the problems that may occur during the use and some solutions you could try. If you encounter an unsolvable problem, please contact FiiO customer service center (support@fiio.com). Fault 1: No sound output ●Check whether this unit is turned on. ●Check whether the latest driver is downloaded on the official website and installed correctly. ●Check whether Control Panel\All Control Panel Items \Sound shows "FiiO Q series" ●Check whether the ‘FiiO Q series’ in the "p
●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 7, Specification list Basic parameter information name K3 size 70mm x 58mm x 22mm weight 82g(without battery) Input power DC 5V 500mAConnecting to a computer Input port USB Type C Output port 3.5mmLinear output port 3.5mmHeadphone output port 2.
USB Audio2.0Maximum decoding support： PCM:384KHz/32bit DSD:11289.6kHz（DSD256） Coaxial output：192KHz/24bit Fiber output：96KHz/24bit Frequency Range 20Hz~80KHz Line output 1.9Vrms amplitude Single-ended output 220mW（16Ω）120mW（32Ω） power Balance output 320mW（16Ω）200mW（32Ω） power SNR ≥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.
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" to drive the application installer.
You can customize which disk to install on, or you can install it on the C drive as default.
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”.
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: 20
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.
