HMD 27
HME 27
HMDC 27
Quick Guide
Contents
In the box
Connecting the headset
*Cable not included: Cables with different connectors available – see page 2
Connect the cable to the headset and your system.
Set your audio source to a medium level.
Activating NoiseGard™
Wearing the headset
Single-sided listening
Switching ActiveGard™
HMDC 27
Replacing the headband
Wearing with large headband padding
- Remove both small headbands.
- Collapse the split headband.
- Mount the large headband padding.
Wearing with small headbands
Peel off the large headband padding.
- Pull the headband carrefully apart.
- Mount the small headbands.
Using accessories
Replacing the ear pads
Specifications
| Headphone | HME 27 | HMD 27 | HMDC 27 |
| Transducer principle | dynamic, closed | ||
| Ear coupling | circum-aural | ||
| Frequency response | 4 Hz – 21,000 Hz | ||
| Impedance | 64 Ω | 130 Ω | |
| Characteristic SPL | 102 dB SPL @ 1 kHz, 1mW | 105 dB SPL @ 1 kHz, 1mW | |
| ActiveGard Level | 95 dB SPL/110 dB SPL @1 kHz | 110 dB SPL @ 1kHz | |
| Max SPL (ActiveGard off) | 125 dB SPL | ||
| THD | < 0.1% @ 1 kHz, 100 dB SPL | ||
| Contact pressure | 3.6 N | ||
| Microphone | |||
| Type | BKE 10-4 | BMD 434 | |
| Transducer principle | pre-polarized condenser | dynamic | |
| Frequency response | 40 Hz – 20,000 Hz | 40 Hz – 18,000 Hz | |
| Directivity | cardioid | hyper cardioid | |
| Output voltage | 16 mV/Pa @ 1 kHz | 0.5 mV/Pa @ 1 kHz | |
| Impedance | – | 300 Ω | |
| Interface | phantom powered 48 V | balanced | phantom powered 48 V |
| General Data | ||
| Ambient temperature | Operation: -15 °C to +55 °C | |
| Storage: -40 °C to +70 °C | ||
| Weight without cable | approx. 240 g | approx. 250 g |
Cleaning
Available cables
www.sennheiser.com/download
Sennheiser electronic SE & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
Printed in Germany, Publ. 03/24, 402200/A01