Feature:1. High Quality Material: The sound extractor is made of high quality iron material, which is sturdy and stable, and supports OUT A and OUT B 4K1080P resolution reduction function.2. High Resolution: Sound extractor converter supports video resolution up to 4K2K at 60Hz YCbCr 4:4:4. Supports 18Gbps uncompressed video bandwidth.3. Multifunctional: The sound splitter supports stripping sound from OUT A or OUT B source devices to optical and analog L/R outputs. Support for Dolby Vision, HDR 10+, HLG. Support ARC function.4. Smart: Sound splitter supports smart EDID management including AUTO, COPY and STD. Supports control via front panel buttons and IR remote control.5. Compatible: Sound extractor supports 4 HD multimedia interface inputs and 2 HD multimedia interface outputs. Compatible with HD multimedia interface 2.0, HDCP 2.2/HDCP 1.4 and DVI 1.0.Specification:Item Type: Video DistributorModel: HDC-MXB42ACMaterial: IronHD Multimedia Interface Compatible: HD Multimedia Interface 2.0HDCP Compatible: HDCP 2.2 and HDCP 1.4Video Bandwidth: 18GbpsVideo Resolution: Up to 4K2K at 50/60Hz (YCbCr 4:4:4), 4K2K at 30Hz, all 3D TV formats, etc.Color Space: RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0Color Depth: 8 bit, 10 bit [1080P, 4K30Hz, 4K60Hz (YCbCr 4:2:0)], 8 bit [4K60Hz (YCbCr 4:4:4)]HD Multimedia Interface Sound Format: PCM2, 5.1, 7.1CH, for Dolby Digital, DTS5.1, for Dolby Digital+, for Dolby TrueHD, DTS-HD Master Sound, for Dolby, DTS:XOptical Sound Format: PCM 2.0, for Dolby Digital 1 Plus, DTSL/R Sound Format: PCM 2.0CH (Note: If the ARC Function is Turned on, this Analog Sound Port will be Muted.)ESD protection: +8kV (Air Discharge), +4kV (Contact Discharge)Input: 4xHDMI Type A [19 Pin Female], 2xHDMI Type A [19 Pin Female]Output: 1xL/R Sound Out [3.5mm Stereo Mini Jack], 1xOPTICAL Sound Out [S/PDIF]Remote Control Battery Type: 1 x CR2025 Battery (Not included).Package List:1 x Dispenser1 x Remote Control1 x Power Adapter1 x English Manual2 x Hanging Board4 x Screw