The HD 650 headphone cable from Sennheiser is a high-quality connection cable specifically designed for the HD 650 and HD 600 models. With a length of 3 meters, it provides ample room for comfortable use without restricting movement. The cable features a straight design and is equipped with a straight 6.3 mm jack plug, ensuring a reliable connection to various audio sources. Its black color scheme offers a timeless aesthetic that complements most audio setups. It is important to note that this cable does not provide music control or remote functions, making it an ideal choice for users who value a simple and direct connection. The HD 650 headphone cable is therefore a practical addition for anyone looking to optimize the sound quality of their Sennheiser headphones.