PreSonus Closed Back Studio Headphones PreSonus HD7. Whether you're monitoring, tracking, mixing, or just listening for pleasure, you can expect impressive sonic performance from these professional-quality headphonesThey deliver natural, warm, clear sound and take advantage of a patented, semi-open sound chamber to deliver exceptionally deep low frequencies. You'll enjoy accurate midrange and extended treble response that let you pick out the fine details of a mix or track, along with balanced, yet powerful bass punch. The lightweight HD7 automatically adjusts to any head size and features comfortable, durable ear pads. The straight, eight-foot cable drops down one side so it doesn't get in your way. The result is a comfortable listening experience that you'll continue to enjoy during long sessions. And the HD7 is built tough so you can rely on it wherever your travels take you.