Enjoy a high-quality sound reproduction with the Sony MDR-Z7M2. Thanks to the frequency range of 4 to 100,000Hz, the sound is detailed, and you can listen to hi-res audio files. That way, your favorite songs come closer to the original studio recordings. Thanks to the 70mm HD drivers, you can listen to a clear, spacious sound reproduction. Do you love to spend the day listening to music from your headphones? Thanks to the soft foam ear cushions, you can. With it, the headphones will feel comfortable around your ears for hours.