Thick and Soft Earpads: The soft, thick earpads are designed to provide a reassuring, comfortable fit throughout even the longest sessions 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 High-Sound Isolation: Sony MDR-M1 High-Fidelity Monitor Headphones' ultra-wideband playback and a closed acoustic structure with high sound isolation allows for detailed and precise monitoring, for a wide range of audio production workflows