For great sound on the go or in your home studio, the Samson HP30 Playback Headphones offer great sound. Featuring a lightweight, closed-back design with an adjustable headband, the HP30 headphones will provide a comfortable listening experience for any user. With 40mm full-range drivers, a frequency response ranging from 20Hz to 20kHz 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. The HP30 Playback Headphones are an ideal accessory to include as part of any bundling package for compatible products.