Sennheiser HD 300 PROtect Closed Back HeadphonesThe newly developed HD 300 PROtect delivers huge depth of detail, even in the loudest of environments. Whether you are editing, playing or composing; whether youre behind a drum kit or a mixing desk; the HD 300 PROtect provides incredible wearing comfort and the incredibly detailed sound required to make good decisions. The HD 300 PROtect adds Sennheisers patented ActiveGard technology, for advanced protection from peak levels above 110 dB. With