Product Overview & Control
Functions
Product Specifications
• The K2 is an ultra-miniature digital-to-analog converter/
decoder designed to provide maximum versatility for a
wide range of digital devices, which features Separate
Power Switch, Volume Control and Bass/Treble Control and
with Bluetooth 5.0, USB, optical and coaxial digital signal
inputs, classic 3.5mm (1/8'') headphone jack and RCA
outputs.
• Fosi Audio K2 ensures exquisite musicality, accurate and
realistic phasing, and reproduction of the original sound!
RCA Output
PC-USB
Input
Optical
Intput
DC 5V
Power Input
Bluetooth Antenna Interface
Bluetooth Antenna
Coaxial
Input
L
R
Output
Input
DV-5V
RF
PS
E
3.5mm
(
1/8’’
)
Headphone Output
Bass Control Treble Control
Multi-function Knob
:
1) Volume Control
2) Mode Switch
Input Indicator Light
Power Switch
Power
Blue:BT
Green:Coa
White:USB
Red:Opt
Mode/volume
- Treble +
- Bass +