Sennheiser SET100 - Page 6

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HMD 120 headset
The HMD 120 differs from the HME 100 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