Shure SRH1540 Closed-Back Over-Ear Premium Studio Headphones The Shure SRH1540 are closed-back, over-ear premium studio headphones offering high-class sound and comfort for professional audio engineers, studio musicians, and audiophiles. From the Alcantara and slow-recovery foam earpads to the aluminum and carbon fiber construction, the SRH1540 are built to deliver a top-shelf wearing experience. Large 40mm drivers produce a wide image and a broad frequency response of 5 Hz to 25 kHz for warm bass and clear treble. The closed-back, circumaural design helps reduce ambient noise and the thick replaceable Alcantara earpads yield long-lasting comfort and optimal noise isolation. The dual-frame headband is adjustable and generously cushioned to ensure a pleasing fit on a range of head sizes. Product Highlights: Headphone Earpiece Design Over-Ear (Circumaural), Closed-Back Earpiece Swivel No Earpiece Connection / Wearing Style Headband, Wired Foldable No Driver Type Dynamic Driver Size 1.6"