Sennheiser HD280 Professional Headphones are Sennheiser's Best
The HD280 Professional is Sennheiser's most significant closed, circumaural headphone to be introduced in years. Designed to exceed the demands of the professional environment, the HD280Pro boasts extremely robust construction combined with replaceable parts, low impedance (64 ohms), high SPL (113dB - 1kHz/1Vrms), and ultra-wide frequency response of 8Hz to 25kHz. The unique, space-saving, collapsible design combined with swiveling ear cups, and accurate, linear sound reproduction offers maximum flexibility in any application. The HD280Pro also provides a 1/8-inch cable connector with locking 1/4-inch adapter and a 2-year warranty.
Sennheiser HD280 Professional Headphones Technical Data