WireLogic 35-060-05 HDMI Cable Select-grade oxygen-free copper conductors - higher purity copper for better sound & picture Solid conductors eliminate distortion due to strand interaction Precise machine termination for the 19 conductors provides more durable product 100% quality control testing - we test each and every HDMI cable before it's sold Conductors are controlled for proper directionality in accordance with the grain structure of the metal - this results in better sound, lower distortion