Feature:1. Operation: Sound extractor easily switches from any of the four HD multimedia interface inputs to any of the two outputs via remote control or panel buttons.2. Support HD Multimedia Interface 2.1: HD multimedia interface sound extractor splitter resolutions up to 8K at 60Hz, 4K at 120Hz and supports Vision and HDR. also compatible with lower HD multimedia interface versions.3. Features: Sound extractor sends 2 channel, 5.1 channel or pathway sound to external sound systems via SPDIF optical or RCA. Sound can be extracted from the HD multimedia interface output and output to optical sound and L or R sound.4. Sound Independent EDID Support: 8K sound extractor can select 5.1 channel, 2.1 channel and pathway, and supports sound formats such as HD, DTS HD, Atoms, AC3, DTS, LPCM, etc.5. ARC Function: HD multimedia interface sound extractor has ARC function that allows you to send sound from ARC compatible displays back to the sound extractor for extraction via the optical interface.Specification:Item Type: HD Multimedia Interface Sound Extractor Material: MetalOutput Interface: 2 x HD Multimedia Interface, 1 x Optical, 2 x RCA Resolution Format:480P/720P/1080P/2160P at 120/100/60/50/30/25/24HzMaximum Support 4320P at 50/60Hz (YCC420), Support HDR/VisionColor Depth: 8/10/12/16Bit at 2160P, 8/10bit at 4320PSound Formats: HD/DTS HD/Atoms/AC3/DTS/LPCM, Etc.Transmission Bandwidth: Maximum 1GHzTransmission Rate: Maximum 40GbpsRemote Control Distance: 5mRemote Control Battery: CR2025 Button Battery (Shipped Without Battery) .Package List:1 x HD Multimedia Interface Sound Extractor 1 x Power Adapter1 x Remote Control1 x Instruction ManualNote:Using only premium 8K HD multimedia interface cables, or using shorter cables if you're not getting perfect quality.