Sennheiser HD-300 Pro
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Manufacturer Information
Sennheiser
https://www.sennheiser.com
contact@sennheiser.com
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Safety manager:
Sennheiser electronic SE & Co.
Email: contact@sennheiser.com
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A Headphone Rooted in Sennheiser's Professional DNA
The HD 300 PRO continues the line of Sennheiser's professional headphones, designed to deliver reference listening every day. Its goal is clear: to offer faithful reproduction, high headroom, and effective isolation-essential for demanding studio and stage environments.
For Sound Engineers, Musicians, and Technicians on the Move
Whether you're tracking drums, fine-tuning a front-of-house mix, editing on headphones, or recording in a home studio, the HD 300 PRO ensures precision and comfort. Its closed design limits sound leakage during sensitive takes and facilitates concentration both in the control room and broadcast settings.
Features Tailored for Precision Monitoring
Neutrality and Detail
The closed dynamic driver delivers a linear response without exaggeration, revealing essential micro-details for editing and quality control. Low distortion (< 0.1% at 1 kHz, 100 dB SPL) guarantees clean, non-fatiguing listening.
Isolation and Headroom
Passive attenuation reaches up to 32 dB, useful against ambient noise from sets and backlines. With a max SPL of 123 dB and a continuous power rating of 500 mW, you have comfortable headroom in any situation.
Long-Lasting Comfort
The circumaural coupling and controlled contact pressure ensure a stable fit without sacrificing comfort during long sessions. The lightweight design of approximately 297 g helps reduce fatigue.
Technical specifications
| Format | circumaural |
| Power handling | 500 MILLIWATT |
| Design | closed |
| Impedance | 64 Ω |
| Color | Black |
| Driver type | Dynamic, closed |
| Ear coupling | Circumaural |
| Frequency response | 60 Hz - 25 kHz |
| Ambient noise reduction (passive) | Max 32 dB |
| Distortion | < 0.1% @ 1 kHz, 100 dB SPL |
| Sensitivity | 108 +/- 3 dB SPL / 1 V rms / 1 kHz |
| Sound pressure level (SPL) | 123 dB SPL @ 1 kHz |
| Continuous power | 500 mW |
| WBCV | 0.308 V rms |
| Contact pressure | 6.0 N +/- 0.75 N (140 mm distance, after 10 min., sliding arms adjusted by 5 clicks) |
| Weight without cable (approx.) | 297 g |
| Ambient temperature | Operating: -15degC to +55degC / Storage: -55degC to +70degC |
| Relative humidity | <= 90% @ 40degC |
| Included | HD 300 PRO headphones, Quick Start Guide, Safety Guide |
Questions frequently asked
Does the Sennheiser HD 300 PRO provide good ambient noise isolation?
The closed-back design offers passive attenuation up to 32 dB. This isolation limits sound leakage during recordings and facilitates monitoring control.
What is the headphone impedance?
The impedance is 64 Ω, with a rated sensitivity of 108 ± 3 dB SPL at 1 V rms and 1 kHz.
Is it suitable for studio monitoring and recording?
The dynamic closed-back driver is designed for linear response intended for monitoring. Distortion is below 0.1% at 1 kHz and 100 dB SPL. The maximum level reaches 123 dB SPL at 1 kHz.
Is the headphone comfortable for long sessions?
The circumaural design and a weight of approximately 297 g without cable contribute to comfort during extended sessions.
What accessories are included with this headphone?
The package includes the HD-300 PRO headphone, a quick start guide, and a safety guide.
