Sennheiser HD280 Headphones
The HD280 is an enclosed design. Its robust folding/rotating ear pieces are circumaural (fit over the ear). Response extends from 8Hz to 25kHz. Neodymium magnets coupled to a feather light diaphragm produces a sound that cheaper models cannot achieve. Maximum SPL 102dB, impedance 64", attenuation to external sounds 32dB.