The Sennheiser HD 300 PROtect are closed-back over-ear studio monitor headphones with an incredible high-resolution audio production and an option to protect your ears from excessive peak level sounds without compromising on quality. Equipped with highly sensitive transducers and precision diagrams to ensure incredible detail without distortion up to a maximum SPL of 123 dB. The switchable ‘Active Gard’ automatically levels signals above 110dB to a safe level, eliminating disruptive or harmful volumes, while still remaining distortion-free. Its soft, viscoelastic earpads and heavily padded headband will give you the ability to wear them for extended periods of time. Another advantage of the thick cushioned earpads is that they provide up to 32 dB of Noise Isolation. These headphones also fold up for easy travel or storage.