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: Metal Output Interface: 2 x HD Multimedia Interface, 1 x Optical, 2 x RCA Resolution Format: 480P/720P/1080P/2160P at 120/100/60/50/30/25/24Hz Maximum Support 4320P at 50/60Hz (YCC420), Support HDR/Vision Color Depth: 8/10/12/16Bit at 2160P, 8/10bit at 4320P Sound Formats: HD/DTS HD/Atoms/AC3/DTS/LPCM, Etc. Transmission Bandwidth: Maximum 1GHz Transmission Rate: Maximum 40Gbps Remote Control Distance: ≤5m Remote 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 Manual Note: Using only premium 8K HD multimedia interface cables, or using shorter cables if you're not getting perfect quality.