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.

QUANTUM Quantum QHM 623 Sound Card QHM 623 Sound Card (Multicolor)