Precise Fit: Specifically for KNS6400 KNS8400 6400 8400 headphones, these replacement ear pad ensures a with easy installation, not required tools , restoring your headphones to new condition. Breathable Fabric : Made with high elasticity fabric and soft sponge padding, these ear pad enhances comfort, reduce heat buildup, and minimize ear pressure, ideal for extended mixing, gaming, or music . Upgraded Sponge: Featuring thick sponge, these earpads improve noise isolation for immersive sound, reduce leakage, and enhances bass response for accurate studio . Durability Construction : Reinforced stitching prevents edges fraying, while the long lasting sponge resists flattening, offering better durability. Fast Installation : Effortlessly replace old ear pad in seconds without tools, making maintenance simple for professional and casual users alike.