The Samson HP10 Playback Headphones offer great sound on-the-go or in your home studio. The HP10 features a lightweight, closed-back design with an adjustable headband that will provide a comfortable listening experience for any user. With 40 mm full-range drivers, a frequency response ranging from 20 Hz to 20 kHz and an impedance level of 32 ohms, these headphones are strong performers in a variety of applications. They are perfect for use with your keyboard, guitar and other quiet music practice. You can also use them with your MP3 or media player.