Sennheiser HD 300 PROtect Datasheet
PRODUCT SPECIFICATION
HD 300 PRO | HD 300 PROtect
Professional monitoring headset series
1/1
Closed headphones for professional monitoring in the
studio and for live work. Its highly-sensitive transducers
with precision diaphragms deliver high-resolution, neutral and distortion-free sound across the entire frequency
spectrum.
Viscoelastic earpads and specially sealed acoustic elements provide efficient shielding against external noise. A
high level of wearing comfort is ensured by optimum pressure distribution and a recess for the fontanelle. Structure
borne noise is filtered out through a coiled cable directly
by the earpiece.
HD 300 PROtect with switchable Active Gard. The hearing
protection technology compresses volumes above 110
dB(A) to a safe level so that no information in the signal
gets lost.
PRODUCT VARIANTS
HD 300 PRO Art. no. 508288
HD 300 PROtect Art. no. 506898
FEATURES
• High-resolution and distortion-free sound for professional monitoring
• Linear frequency response
• Efficient, passive noise attenuation
• Robust design
• Entirely field replaceable components
• HD 300 PROtect with switchable Active Gard hearing
protection satisfies international directives on industrial safety and noise control
SPECIFICATIONS
Accoustic 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
Max. SPL ActiveGard on
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:
Storage:
Relative humidity ≤ 90 %
123 dB SPL @ 1 kHz
110 dB SPL @ 1 kHz
–15 °C to +55 °C
(5 °F to 131 °F)
–55 °C to +70 °C
(–67 °F to 158 °F)
Sennheiser electronic GmbH & Co. KG · Am Labor 1 · 30900 Wedemark · Germany · www.sennheiser.com
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