Brand: Sennheiser. MPN: 506845. The Sennheiser HD 280 Pro Closed-Back Headphones are circumaural headphones designed for professional monitoring applications. With up to 32dB external sound attenuation it s perfect for use in noisy environments at live shows and by DJs.The HD 280 Pro features rugged design and optimum sensitivity that ll make even those low-output headphone outs on synthesizers come alive. In other words these headphones are nice and loud the way you need them. The HD 280 Pro delivers detailed natural reproduction of music and speech and boasts a smooth frequency response from 8Hz to 25kHz.Ready to pack it up? Due to their collapsible earpieces the HD 280 Pro headphones are very space-saving when it comes to transportation. Plus all parts subject to wear and tear such as earpads headband padding and cable are easily replaceable thus ensuring they ll last a long time.