Refer the user manual below for troubleshooting
BasXPort technology enhances the low frequency response without the bulkiness of a subwoofer. Convenient front access to volume, bass, treble and input jacks.
Connects to your computer, MP3 player, LCD TV or other stereo audio sources.
Extension cable with PS/2 connectors on each end
Ideal for extending mouse or keyboard cable
6-foot length offers flexibility in arranging your desktop