VeLLBox HDMI 2CH/5.1CH Audio Extractor with 4Kx2K, Pigtail, 340MHz, Support HDMI Resolution up to 4Kx2K, Grey This Audio Extractor extracts 5.1 audio from the source and transmit it to the amplifier with Toslink cable and restore Dolby 5.1 or DTS .1 audio through multi-channel sound system, forming a perfect home theatre This Audio Extractor Supports to supply power from USB port that makes customer save a power adapter Supports HDMI resolution up to 4Kx2K, HDCP compliant, 300MHz/3Gbps per channel (9Gbps all channels) bandwidth and video resolutions up to 8-bit 4K (30 Hz), 12-bit 1080p (60 Hz) or 12-bit 720p/1080i (60 HZ) Supports compressed audio such as DTS Digital, Dolby Digital and uncompressed audio such as LPCM and 3D formats up to 300 MHz Package Contents: Main Unit X 1, Users Manual X 1, 4.0ft USB 2.0 AM to Micro BM X 1