Amazon.com: HDMI Audio Extractor,eSynic Professional HDMI Audio Extractor 4K HDMI Optical Adapter HDMI Audio Splitter with Power Switch Supports Optiacl RCA and 3.5mm Audio Output for HDTV Blu-ray Player ect : Electronics
Amazon.com: 1x3 HDMI Splitter, 1 in 3 Out HDMI Splitter Audio Video Distributor Box Support 3D & 4K x 2K Compatible for HDTV, STB, DVD, PS3, Projector Etc : Electronics
Tripp Lite 2-Port HDMI Splitter - UHD 4K, International AC Adapter - video/audio splitter - 2 ports - B118-002-UHDINT - Audio Equipment - CDW.com
2-port C2G 2-Port HDMI Splitter 4K 30hz - Video/audio splitter - 2 x HDMI - desktop | Dell USA
Tripp Lite 4-Port 4K 3D HDMI Splitter, HDMI, HDCP 2.2, Ultra HD 4K x 2K Audio/Video, 3840 x 2160 @ 60 Hz, HDR, TAA - - B118-004-UHD-2 - Audio & Video Cables - CDW.com
4K HDMI Audio Embedder with HDCP 2.2
1x2 HDMI Splitter: 1-in 2-out, USB Powered, EDID, 3D Support (HD-102) | OREI
4K HDMI 1-4 Splitter with Scaler/Audio Extract
Product - avedio links
HDMI-compatible Splitter 1 in 2 Out, 4K HDMI-compatible Splitter for Dual Monitors Duplicate/Mirror Only, HDMI-compatible Splitter 1 to 2 Amplifier for Full HD 1080P 4K For HDTV DVD Video 1 In 2