Sennheiser HD 300 PROtect Closed-Back Monitoring Headphones
Hear with Precision. Protect Your Ears. Perform at Your Best.
Experience the perfect blend of high-resolution sound, professional-grade comfort, and intelligent hearing protection with the Sennheiser HD 300 PROtect. Designed for sound engineers, musicians, and production professionals, these closed-back monitoring headphones deliver pristine, distortion-free audio while actively protecting your ears from harmful peak sound levels.
At the core of the HD 300 PROtect is Sennheiser’s patented ActiveGard™ technology, which smartly manages unexpected audio peaks above 110 dB. Instead of cutting the sound entirely, it reduces dangerous levels to a safe, clear signal—ensuring complete control without compromising fidelity.
Tailored for accuracy, the HD 300 PROtect features a linear frequency response and high-sensitivity transducers for ultra-precise sound reproduction. Whether you're in the studio or on stage, its noise-isolating closed-back design and refined acoustic tuning inspired by the HD 250 linear offer detailed, immersive audio in any environment.
Comfort is just as important as clarity. With soft, viscoelastic earpads, optimal pressure distribution, and long-lasting materials, these headphones are built for extended use without fatigue. Plus, they feature exchangeable cables with Sennheiser’s trusted system connector—making them a durable, professional companion for daily work.
🔑 Key Features
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ActiveGard™ Technology: Reduces audio peaks safely without muting sound
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High-Resolution Sound: Accurate, linear audio for critical monitoring
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Exceptional Comfort: Soft padding and pressure-balanced fit for long sessions
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Noise Isolation: Closed-back design effectively blocks ambient noise
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Built to Last: Durable materials and modular components for longevity
🛡️ Why Choose the HD 300 PROtect?
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Ideal for professional recording, live monitoring & broadcasting
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Protects your hearing while preserving clarity
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Trusted by industry pros for performance and reliability