Sennheiser HD 300 PROtect Monitoring Headphone with On/Off Selectable ActiveGard Limiter

Introducing the Sennheiser HD 300 PROtect Monitoring Headphone, the ultimate choice for professional monitoring in both studio and live environments. Designed with highly-sensitive transducers and precision diaphragms, this headphone delivers high-resolution, neutral, and distortion-free sound across the entire frequency spectrum. Whether you are monitoring live performances or working on studio recordings, the HD 300 PROtect ensures impeccable sound quality that meets the highest professional standards.

The HD 300 PROtect is engineered for optimal comfort, featuring viscoelastic earpads and specially sealed acoustic elements for efficient noise shielding. With optimum pressure distribution and a recess for the fontanelle, these headphones provide exceptional wearing comfort for prolonged use. Furthermore, the robust design ensures durability while the structure-borne noise is filtered out via the coiled cable connected directly to the earpiece. Ideal for professional audio engineers, musicians, and sound designers, the Sennheiser HD 300 PROtect is your go-to headphone for accurate sound monitoring.

Key Features

• High-resolution and distortion-free sound for professional monitoring
• Linear frequency response
• Efficient, passive noise attenuation
• Robust design
• Entirely field-replaceable components

Specifications

• Acoustic principle: Dynamic, closed
• Ear coupling: Circumaural
• Frequency response: 6 - 25,000 Hz
• Impedance: 64 ohm
• 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
• Weight (without cable): approx. 297 g
• Cable length: approx. 1.55 m
• Operating temperature: -15°C to +55°C (5°F to 131°F)
• Storage temperature: -55°C to +70°C (-67°F to 158°F)
• Relative humidity: <= 90%

Package Contents

• 1 x Sennheiser HD 300 PROtect Monitoring Headphone
• 1 x Coiled Cable
• 1 x User Manual