The SRH1840 Professional Open-Back Headphones feature individually matched drivers for an unparalleled acoustic performance, including smooth, extended highs and accurate bass. Developed with premium materials and precision engineering, the custom-crafted design is extremely lightweight and durable. Ideal for mastering or critical listening applications. The included storage case, replacement set of velour ear pads, replacement cable, and threaded adapter ensure years of uninterrupted listening enjoyment.