● 1.High speed , in the form of optical pulses to transmit digital signal
● 2.Realizing electrical isolation, stopping digital noise, improving the signal-to-noise ratio
● 3.Adopting Brand new Dolby AC3 and DTS Surround Technology, improving 40% of the sound quality
● 4.miniature convex lens technology, pure sound.
● 5.adopting standard S/PDIF agreement for transmission, support PCM, Dolby, DTS, 5.1, 7.1 video signal.