Features:1) For high-definition video (720p and 1080i) or standard video formats 2) Supports multiple audio formats, from stereo to multi-channel sound 3) Gas-injected dielectric for optimum signal strength and ultra-low loss 4) High-density triple-shielding for maximum rejection of RFI and EMI5) Advanced design and construction for the best possible sound and HDTV picture Packing:Double blister producing area:China