HD 300 PROtect
Article No. 506898
Features08
- Switchable ActiveGard® Limiter protects hearing by limiting peaks above 110 dB.
- Linear, High-Resolution Sound delivers accurate and transparent monitoring.
- Long-Wear Comfort Design ensures fatigue-free use during extended sessions.
- Up to 32 dB Passive Isolation reduces ambient noise in loud environments.
- Durable Build with Exchangeable Cable features Sennheiser’s proven system connector.
- Transparent Peak Protection maintains clarity while preventing SPL overload.
- Serviceable, Modular Components allow quick replacement of pads, headband, and cable.
- Engineered for Broadcast & Live Production for dependable monitoring in high-SPL workflows.
Top Specs
- Max. sound pressure level123 dB SPL @ 1 kHz (ActiveGard off)
- Noise cancellation (db)Max 32 dB (passive)
- Power consumption (Amp)500mW
- Sensitivity108 ±3 dB SPL / 1 V rms / 1 kHz
- Transducer typeDynamic
- Wearing styleOver-ear
- ConnectionWired


