Portta HDMI Splitter 4 Port 1x4 v1.3 support Full HD 3D 1080p Deep Color HD Audio Real HDMI Cascaded: Large distribution achieved by cascading the HDMI Amplifier Splitter. Support HDMI1.3b Support highest video resolution 1080p High performance up to 2.25Gbps Support uncompressed audio such as LPCM Support compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD) Support 3D