HMD 300 / HMD 300-XQ-2 / HMD 301
Quick Guide
In the box
Adjusting
ActiveGard TM
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com
Printed in Germany, Publ. 07/18, 578650/A01
Accessories
Cable
Specifications
Headphone HMD300 HMD300-XQ-2 HMD301
| Acoustic principle | dynamic, closed |
| Ear coupling | circumaural |
| Frequency response | 60 – 25,000 Hz |
| Impedance | 64 Ω |
| Power rating | 500 mW |
| Sensitivity Max. SPL ActiveGard off | 108 ±3 dB SPL / 1 Vrms / 1 kHz Lmiter off |
| 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 |
| Cable length | approx. 1.55 m |
| Microphone | BMD 404 |
| Type | noise canceling |
| Transducer principle | dynamic |
| Directivity Impedance | hyper-cardioid |
| Impedance | 300 Ω |
| Sensitivity | 0.4 mV/Pa @ 1 kHz |
| Near field frequency range | 80 Hz – 16,000 Hz |
| General data | |
| Temperature | Operation: –15 °C …. +55 °C Storage: –55 °C …. +70 °C |
| Relative humidity | ≤90% |
| Weight without cable | approx. 319 g (HMD 300)approx 242 (HMD301) |
Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany, www.sennheiser.com
Printed in Germany, Publ. 07/18, 578650/A01
