Sennheiser HD 300 PRO User manual

HD 300 PRO / PROtect
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Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com
Printed in Germany, Publ. 07/18, 578649/A01
Adjusting
In the box
HD 300 PRO or
HD 300 PROtect
Activegard
TM
ActiveGard
TM
Limiter
HD 300 PROtect Cable
OFF
ON
T10 / TX9
6.3 mm
3.5 mm

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 Vrms / 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