connetion sound card

hari999

Honorable
Nov 27, 2013
1
0
10,510
we have a sound card -details
USB Sound Card :

Integrated 2 channel
USB Audio Controller
Main Function
Real USB Plug & Play
Drives 2Ch speakers Directly & supports 3D positional sound and virtual 5.1 Ch sound track
Uses USB port for power, no external power needed
Digital Class-B Power Amplifier inside
State of the art digital technology.

we are connecting it to the housetheatre surround sub woofer system 2.1 channel..we,connected the amplifier wire to the sound card,even the sound card light was glowing,the speakers are not playing,,can u inform me the fault of the connection