4 colors: White: PC-USB Mode; Blue: Bluetooth Mode;
(flashing: no connected; always on: connected) Red:
Optical Mode; Green: Coaxial Mode.)
Step 6:
Left click on the computer desktop sound icon and
select Device: “Fosi Audio K2”.
Step 7:
Open the audio application, play and enjoy!
Note:
If using optical input, please switch Dolby/DTS audio to
PCM audio.
Bluetooth for example
Step 1:
Prepare K2, Bluetooth device, AC adapter, Micro-USB
cable, Headphones.
Step 2:
Connect the Micro-USB cable to the AC adapter or
device’s USB port, then connect the Micro-USB cable to
the K2.
Step 3:
Connect the headphones to the 3.5mm (1/8'')
headphone jack and turn down the multi-function knob
(Volume Control/Mode Switch) to lowest level.
Note:
Before connecting the power supply, please turn down
the volume control, bass control and treble control to the
lowest level (always to the left) to avoid your hearing or
your headphone from damage.
Step 4:
Toggle the power switch on the front panel upwards to
turn on this unit, short press the multi-function knob
(Volume Control/Mode Switch) to select Bluetooth input
mode, the input indicator light is flashing blue.
Step 5:
Turn on Bluetooth on your device and search for:
“Fosi Audio K2”, connect to the K2.
Note:
The input indicator light on the front panel of K2 stays
blue when Bluetooth input is successfully connected.
