



Sennheiser HD 300 PROtect Closed-Back Active Gard Studio Monitor Headphones
The HD 300 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.
Impedance
64 ohms
Frequency response (Headphones)
6 Hz - 25kHz
Max. sound pressure level
123 dB SPL @ 1 kHz (ActiveGard off)
Contact pressure
6.0 N ± 0.75 N
Ear coupling
circumaural
Power consumption
500mW
Storage temperature
-55°C to +70°C
Operating temperature
-15°C to +55°C
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
Transducer principle (headphones)
dynamic, closed
Weight w/o cable
297 g
Noise cancellation
Max 32 dB (passive)