Sennheiser HMD 300 XQ-2 Headset with Boom Microphone & Cable with XLR and 1/4" Jacks

Impedance 

64 ohms 

Frequency response (Microphone) 

80 Hz – 16 kHz 

Transducer principle (Microphone) 

dynamic, hyper-cardiod 

Frequency response (Headphones) 

60 Hz - 25kHz 

Microphone 

BMD 404 

Max. sound pressure level 

123 dB SPL @ 1 kHz (ActiveGard off) 

Contact pressure 

6.0 N ± 0.75 N 

Ear coupling 

circumaural 

Power consumption 

500mW 

Storage temperature 

-55°C to +70°C 

Operating temperature 

-15°C to +55°C 

Output voltage 

0.4 mV/Pa @ 1 kHz 

ActiveGard® 

110 dB SPL @ 1 kHz 

Distortion 

‹ 0.1 % @ 1 kHz, 100 dB SPL 

Max. Sound pressure level (active) 

110 dB SPL @ 1 kHz (ActiveGard on) 

Sensitivity 

108 ±3 dB SPL / 1 V rms / 1 kHz 

Transducer principle (headphones) 

dynamic, closed 

Weight w/o cable 

319 g 

Noise cancellation 

Max 32 dB (passive)