Sennheiser SH350 Headphones User Manual


 
7
HMEC 450 NoiseGard™ headset
The HMEC 450 differs from the HMEC 350 in the following features:
Stylish silver design
Leatherette ear cushions
Headband padding can be buttoned
HMDC 372 NoiseGard™ headset
The HMDC 372 differs from the HMEC 350 in the following features:
No Mono/Stereo switch
Coiled cable
M-87/AIC dynamic microphone and low impedance headphones
Connection of headphones and microphone via U-174/U jack plug to a low impedance
interface in the helicopter