Sennheiser HD 300 PROtect Headphones

Overview

The Sennheiser HD 300 PROtect headphones are closed-back, over-ear studio monitors designed to deliver high-resolution audio and adjustable peak level protection, making them ideal for musicians, sound engineers, and event professionals in broadcast, studio, and live environments. Featuring precision-engineered dynamic drivers, they provide a broad frequency range of 6 Hz to 25 kHz with minimal distortion and a peak SPL of 123 dB. The Active Gard technology can be activated to cap audio levels at 110 dBA, ensuring safe listening even with fluctuating source volumes. Additionally, the closed-back, circumaural design reduces ambient noise by up to 32 dB for a focused listening experience.

Features

• Complies with European EC industrial safety and noise control standards
• Safeguards hearing and presence of mind for listeners
• Switchable Active Gard technology attenuates signals above 110 dB down to a safe level while maintaining clear, distortion-free sound
• Sensitive transducers, precision diaphragms, and a 6 Hz to 25 kHz frequency response provide neutral high-resolution audio reproduction
• Soft, cushioned viscoelastic earpads and headband padding ensure consistent comfort for long sessions
• Closed-back over-ear design delivers up to 32 dB of ambient-noise attenuation
• Detachable single-sided cable features a 3.5mm stereo mini jack
• Includes 1/4″ TRS adapter

In The Box

Sennheiser HD 300 PROtect
4.9′ Headphone Cable
1/4″ Adapter
Limited 2-Year Manufacturer Warranty

Specifications