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How to buy hdmi cables
Buy hdmi cables when you need a top quality signal.
Hdmi cables send an uncompressed signal, meaning you don't lose any quality as it travels through the line. When signals go through the compression/decompression process, the signal can degrade.
However, that does not happen with hdmi cables. Use hdmi technology to accommodate copper cables at lengths up to 50 feet (15 meters) without requiring a repeater or an amplifier.