Amazon.com: Kaico Original Xbox to HDMI Converter - Dolby Digital 5.1 via Optical Port - HD Link Cable for OG Xbox - Xbox to HDMI - Compatible with Original Xbox - Toslink
HDMI Adapter cable for Original Xbox OG console 1080i | Hyperkin – ZedLabz
3G-SDI/HD-SDI to HDMI Converter | Black Box
2-Port HDMI Splitter 1 In 2 Out, 4K 60Hz - HDMI® Splitters | Audio-Video Products | StarTech.com Europe