Fiio K5 Pro - Buttons and Ports Overview; Input Ports; Gain Settings; Power and Volume Control

English Desktop Headphone Amplifier/USB DAC
Buttons and ports labeled
A. Input (Top: COAX / OPTICAL IN; Middle: LINE IN;
Bottom: USB IN)
B. Gain (Top: HIGH-10dB; Middle: MID-6dB; Bottom:
LOW-0dB)
C. Power/Volume knob
D. Status indicator light ring
E. 6.35mm headphone output
F. Coaxial input
G. Optical input
H. Line input
I. Line output
J. USB input
K. DC power input
A
B
②
C
②
G
②
E
②
H
②
F
②
K
D
②
I
②
J
②