Featuresr r 51 channel frequency division technologyr provide high performance audio transmission with virtual 51 channel stereo surround sound effect 51 channel frequency division technology lets you accurately pinpoint the slightest sounds from all directions give you an immersive experience through the high fidelity cinematic and musical sound reproduction deliver the 360 degree sound field that lets you hear what excluded your visionr r ultra bassr adopt a high precision 12mm dynamic