Product Description
High-resolution closed-back headphones for detailed monitoring in studio, stage, or broadcast environments.
Accuracy meets endurance. Designed for demanding environments, the Sennheiser HD 300 PRO offers highly detailed sound, exceptional passive noise attenuation, all-day comfort, reliable audio clarity and rugged build quality.
Specifications
| Product Type | Professional Monitoring Headphones with Hearing Protection |
| Transducer Type | Dynamic |
| Acoustic Principle | Closed |
| Wearing Style | Over-Ear / Circumaural |
| Frequency Response | 6 Hz – 25 kHz |
| Impedance | 64 Ω |
| Power Rating | 500 mW |
| Sensitivity | 108 ±3 dB SPL / 1 Vrms / 1 kHz |
| Maximum SPL (ActiveGard Off) | 123 dB SPL @ 1 kHz |
| Maximum SPL (ActiveGard On) | 110 dB SPL @ 1 kHz |
| ActiveGard® | Switchable Peak-Limiting Hearing Protection |
| Passive Noise Attenuation | ≤32 dB |
| Total Harmonic Distortion | <0.1% @ 1 kHz, 94 dB SPL |
| Contact Pressure | Approx. 6.0 N |
| Connection | Wired |
| Cable Length | Approx. 1.55 m |
| Connector | 3.5 mm Stereo Jack |
| Adapter | 6.3 mm (1/4") Stereo Jack Adapter |
| Weight | Approx. 297 g without cable |
| Operating Temperature | -15°C to +55°C |
| Storage Temperature | -55°C to +70°C |
| Relative Humidity | ≤90% |