Panel mount HDMI Cable - 40 cm : ID 978 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: 1080P HDMI Audio Extractor,AMANKA HDMI to HDMI Audio Optical and RCA(L/R) Stereo Analog Outputs Video Audio Splitter Converter for Ruku,Chromecast, Blu-ray Player, Cable Box, Fire TV, etc : Electronics
Metra HDMI Switch with 4 Inputs, 1 Output and Audio Breakout CS-HDM4X1ASW4
Black Box 1 x 8 HDMI Splitter with Audio AVSP-HDMI1X8 B&H Photo
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1x4 HDMI Splitter, 1 in 4 Out HDMI Splitter Audio Video Distributor Box Support 3D & 4K x 2K Compatible for HDTV, STB, DVD, PS3, Projector Etc : Electronics
HDMI over Cat5 Cat6 Extender Kit, 150-ft. | Tripp Lite
Commodore A500 RGB to HDMI break-out box - Amiga Spirit
Blackmagic Devices Intensity Extreme HDMI and Analog Capture & Playback Device with breakout cable · AV Gear