SMAKN&reg; 40m Hd 1080p 3d Hdmi Repeater Box Extender Joiner Amplifier Booster Adapter Supports for Lpcm, Dts-hd and Dolby True Hd, DTS Digital compatible with HD-DVD, SKY-STB, PS3, Xbox 360 Supports video resolution 1080p. Supports 3.4Gbs data rate. Supports 48bit deep color. HDCP pass-through.Iron shell for better EMI elimination Supports uncompressed audio such as LPCM. Supports compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby TRUE HD) 16 levels of equalization settable by turning EQ from 0 to 15. Support different length of HDMI cable between 0m to 40m. Unique designed structure for better connection. Support 3D all format Meanwhile, according to the length of HDMI cable the special designed EQ can be adjusted to reach the best transmission function. This is a kind of upgraded HDMI repeater. It extends the length of HDMI cable up to 40M by regenerating the HDMI signal before it sends the outputs to the HDMI monitor or projector.