Technical data

5
• Power supply for NoiseGard™ is provided via on-board power supply system,
cigarette lighter socket or battery pack
• Fail safe operation in case of power failure
• Supply voltage for the NoiseGard™ system is processed by the in-line electronics in
the connecting cable
• Made in Germany, 5-year warranty (HMEC 400: 10-year warranty)
Product variants
HMEC 302 NoiseGard™ headset
The HMEC 302 differs from the HMEC 300 in the following features:
• Connection of microphone and NoiseGard™ electronics via PJ-068 plug
HMEC 305 NoiseGard™ headset
The HMEC 305 differs from the HMEC 300 in the following features:
• No Mono/Stereo switch
• Connection of headphones, microphone and NoiseGard™ electronics to the on-board
power supply system (12–35 V DC) via XLR-5 plug
HMEC300US.book Seite 5 Mittwoch, 7. April 2004 3:24 15