Sennheiser HD 599 Open Back Headphone Amplifier Elastomer stick-on bumper feet

Elastomer stick-on bumper feet

This design ensures all drivers blend seamlessly together so you get silky-smooth transitions from the midrange driver to the woofers as well as accurate frequency response

Sensitivity 87 dB

and grilles

Sennheiser HD 599 Open Back Headphone Amplifier Elastomer stick-on bumper feetSennheiser HD 599 Open Back Headphone The HD 599 Open Back Around Ear Headphones from Sennheiser are a successor to the popular HD 500 series and are powered by Sennheiser's proprietary transducer technology including the "Ergonomic acoustic refinement" (E. A. R.) design, which channels the audio signal directly into your ears. They can be used to deliver high end audio performance and offer exceptional wearing comfort thanks to the large earcups,