I run a 10m hdmi cable and use a powered amplifier to boost the signal, otherwise it will not work. Have a google for "hdmi amplifier". This one should meet your needs : KabelDirekt HDMI 2.0 active repeater/signal amplifier (UHD 4K/60Hz, HDR, YUV 4:4:4, max. 50m range, HDCP 2.2, female-female...