Sennheiser HMD 46-3-6 ATC Headset with Dynamic Microphone Overview:

The HMD 46 series is a very lightweight and comfortable open boomset for controller. It is ideal for air traffic control. The headset is equipped with ActiveGard TM, which protects controllers from the effects of an acoustic burst.

Features:

• Extemely light weight
• Superb wearing comfort due to patended two-piece automatic headband and soft ear pads
• Flip-away headphone allows single-sided listening
• Flexible microphone boom, can be worn on either left or right-hand side
• Noise-compensated dynamic microphone ensures excellent speech transmission
• Single-sided cable, length 1.85 m, easy to exchange
• Also available with PTT
• ActiveGard safeguards the user from the effects of an acoustic burst

What's in the box?

• Headset HMD 46
• Cable clip
• Wind and pop screen
• User manual

Specifications:

• Color: Black 
• Connection cable: single-sided round cable, length 1.85 m, open ends 
• Storage temperature: -55 °C... +70 °C 
• Operating temperature: -15 °C... +55 °C 

Headphones

• Impedance: 300 Ohm 
• Characteristic SPL: 98 dB SPL (1 kHz, 1 mW) / 86 dB SPL (1 kHz, 1 V) 
• Transducer principle: dynamic, open

Microphone

• Impedance: 200 Ohm 
• Transducer principle: dynamic, noise compensated 
• Sensitivity in free field, no load (1kHz): 0.5 mV/Pa

Made in Germany