Sennheiser HD400 manual Product variants, HMEC 302 NoiseGard headset, HMEC 305 NoiseGard headset

•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, two-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

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