Designed for mastering and critical listening. Premium Quality. Perfect Fit. From professional applications to everyday personal listening, Shure headphones bring together dynamic, high-performance audio with theunparalleled build quality that has made us a leader in professional audio for over 85 years.The SRH1840 Professional Open Back Headphones feature individually matched drivers for 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.