synchronize incoming signals back to its original HDMI specification. You only have to place the restorer at the end of the cable and your HDMI signal will be restored. •Signal Equalizers - This device is also called signal enhancers, this device is able to eliminate undesirable noise interference without changing other features of HDMI like color. This device is likewise capable of increasing signal strength. •Signal Extenders - Just like the signal equalizer, a signal extender also helps assure durable HDMI signals even at long runs. The length of the HDMI cable can affect the signal transmission yet you can get away with this issue with the mentioned devices. Operating with HDMI cable longer than 20 meters needs you to have some of the HDMI accessories to enable you to have stronger and more stable signals so you can indulge in home entertainment at its best. hdmi cable