Thick and Soft Earpads: The soft, thick earpads are designed to provide a reassuring, comfortable fit throughout even the longest sessions Bundle Includes: Sony MDR-M1 Professional Reference Closed Dynamic High-Fidelity Monitor Headphones (Black) and Knox Gear Professional Headphone Case for Inward-Folding Studio Monitor Headphones Uniquely Designed Driver: The uniquely designed driver unit balances low distortion with reproduction of low frequencies to high frequencies for ultra-wideband playback and accurate reproduction from 5Hz to 80kHz