Sennheiser HD300 PROtect
The Sennheiser HD300 PROtect combines advanced protection from peak levels with incredibly detailed sound and an exceptionally high level of wearing comfort. This makes it a reliable tool for demanding productions.
HD 300 PROtect. The healthy way to hear more.
ActiveGard limiting system protects your hearing
In live sound and studio recording applications, unexpected signal spikes can damage your hearing while you’re monitoring. To protect your ears, Sennheiser’s ActiveGard technology is ready and waiting to limit incoming audio to suppress signal spikes that exceed safe monitoring levels. When the incoming audio falls back into a safe range again, ActiveGard goes back into standby mode.
Collapsible high-end headphones for the pros
The HD 300 PROtect headphone are collapsible high-end headphones ideal for professional monitoring use. They offer a closed circumaural design which provides excellent passive attenuation of ambient noise. And they’re designed to cut through even in loud environments, perfect for use onstage and for studio recording applications.
Built for comfort and accuracy
These monitoring headphones also provide an extended frequency response with increased sound pressure level (up to 123dB) for accurate sound reproduction in all kinds of demanding use. Not only that, but the lightweight and secure-fit design also offers a very comfortable listening experience over long sessions.
- Switchable ActiveGard to protect hearing for sound pressure levels above 110 dB
- Highest resolution due to accurate and linear sound reproduction
- Comfortable padding design allows for extended use in long wearing sessions
- Superior ambient noise attenuation in loud environments due to closed passive earcup construction
- Perfect companion for your daily work due to long lasting materials and exchangeable cables with Sennheiser’s established system connector
Transducer principle (headphones): dynamic, closed
Ear coupling: circumaural
Impedance: 64 ohms
Frequency response (Headphones): 60 Hz – 25kHz
Max. sound pressure level: 123 dB SPL @ 1 kHz (ActiveGard off)
ActiveGard™: 110 dB SPL @ 1 kHz
Distortion: ‹ 0.1 % @ 1 kHz, 100 dB SPL
Max. Sound pressure level (active): 110 dB SPL @ 1 kHz (ActiveGard on)
Sensitivity: 108 ±3 dB SPL / 1 V rms / 1 kHz
Noise cancellation: Max 32 dB (passive)
Contact pressure: 6.0 N ± 0.75 N
Power consumption: 500mW
Weight w/o cable: 297 g