Sennheiser HD 300 PRO, HD 300 PROtect Quick Guide

HD 300 PRO / PROtect

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In the box

HD 300 PRO or
HD 300 PROtect

3.5 mm

6.3 mm

Adjusting

HD 300 PROtect Cable

Limiter

ActiveGard

Activegard

TM

TM

OFF

T10 / TX9

ON

Sennheiser electronic GmbH & Co. KG

Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com

Printed in Germany, Publ. 07/18, 578649/A01

Specifications

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
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%

3 dB SPL / 1 V

rms

/ 1 kHz

Ear cushions

Headband padding

Transport positions

OR OR