Blusmart 5.1 Audio Gear Digital Sound Decoder Converter-Transfer The Dts/Ac-3 Signal And Stereo(R/L) Into 5.1 Output Easy to install and simple to operate! Input: 2 X Optical,1 X Coaxial,1 X Audio. Output:1 X CEN(Central)/ SW(Super Woofer), 1 X FL(Front Left)/FR(Front Right),1 X SL(Back Left)/SR(Back Right),1 X USB. Transfer the DTS/AC-3 digital signal into 5.1 Two SPDIF input, one coaxial input, one sterero input supplying perfect solution for your HDTV player, XBOX360 etc Package Includes: 1x 5.1 Audio Gear Decoder, 1x High Quality Optical Fiber Cable, 1x 100-240V Input/9V Output Power Adapter, 1x User Manual Digital. S/N:120db. stereo separate degree:80db(1KHZ). Noise output frequency:200uV. Simulate output frequency:2.2V Analog output (FL/FR if 2.1). Transfer the stereo(R/L) audio signal data into 5.1 analog output