The sound quality of headphones is measured by focusing on the accuracy of sound and the enjoyment of the user’s experience. And there’s no accurate description or measurement of sound quality, it highly depends on personal preference, taste and requirements of the user. Some people might like sound with strong and deep bass, and someone might enjoy the natural and accurate sound. It’s true that headphone cables are important components which protect the sound quality and signal transmission from one end to another. And getting a better quality headphone cord can ensure less harm and lessen the chances of signal loss during the entire process. And indeed there are also different cables designed specifically for different audio systems. Like the 6.3mm size cables are suitable for home stereo, amplifiers, electric guitars and bass and 3.5mm is suitable for CD media players, MP3 players and computer desktops. And the sound quality may also depend on the wiring and length of the headphone cable.