Restore any HDMI signal up to 4K UHD with HD digital audio. Not only will it restore the signal, but it will also reveal the cause of the failure! With 3 LEDs that indicate the presence & state of 5V, Hot Plug Detect (HPD) & HDCP signals, installers can quickly identify & resolve the HDMI issue. Often damaged or long cable runs prevent the necessary handshake between the video display & the sou...