2. Bass adjustment: The volume of bass can be adjusted by bass knob.
3. Power switch: Control power on/off.
4. Light off switch: Control light on/off.
5. Computer USB port: plug into PC to ensure power supply.
6. Audio output port: insert PC audio output port, to ensure the sound source output effective.
7. Satellite box output interface: insert the USB ports of the two
secondary devices into the corresponding left and right sound channels separately.
8. Satellite box plug: insert the picture (7 of the main engine separately.
Adjust the RGB lighting, turn it on and off Bass volume control for fine tuning the richness of the sound Works with computer running on any major operating system(Windows, Mac, Chromebooks), smartphones, tablets, televisions, MP3 players, DVD/Blue-ray players, and game consoles.