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Headphone HD 300 PRO / HD 300 PROtect
Acoustic principle
dynamic, closed
Ear coupling
circumaural
Frequency response
6 - 25,000 Hz
Impedance 64
Ω
Power rating
500 mW
Sensitivity 108
±
3 dB SPL / 1 V
rms
/ 1 kHz
HD 300 PRO
Max. SPL w/o ActiveGard 123 dB SPL @ 1 kHz
HD 300 PROtect
Max. SPL ActiveGard off 123 dB SPL @ 1 kHz
Max. SPL ActiveGard on 110 dB SPL @ 1 kHz
Ambient noise attenuation ≤32 dB
Distortion
<0.1% @ 1 kHz, 94 dB SPL
Contact pressure
approx. 6.0 N
Weigth (w/o cable)
approx. 297 g
Cable length
approx. 1.55 m
Temperature
Operation: –15 °C .... +55 °C
Storage: –55 °C .... +70 °C
Relative humidity
≤90%
OR
OR
Transport positions
Headband padding
Ear cushions
Specifications