3. Introduction to its inputs and outputs

A:

1. DAC mode: Input audio signals to the Q5s TC via USB/Optical/Coaxial/Line-in, and output through headphones/Line-out. (Note that the line-in port cannot work simultaneously with line-out port.)

2. Bluetooth receiving mode: Input audio signals to the Q5s TC via Bluetooth, and output through headphones/Line-out.