Input: HDMIOutput: HDMI; SW CEN SR SL FR FL; 3.5mm headphone portHDMI input resolution: up to 3840x2160 at 30Hz; 4096x2160 at 30Hz.HDMI to achieve audio signal decoding synchronization. There are three kinds of PASS / 2.0CH / 5.1CH audio mode options.AC-3 auto decoding / DTS (LPCM / PCM / RAW) input signal without any action.High compatibility: Supports network player, HDTV, blu-rayvd, DVD, for PS3, for Xbox 360, DM500S, DM800HD, etc.Metal shell and small size, anti-interference.6 channel RCA / 3.5mm headphone port output, convenient and efficient in use.Supports 6-channel synchronous volume adjustment.