The HMEC 26 is a lightweight closed aviation headset with Active Noise Reduction NoiseGard . The variant HMEC 26 T features in addition the Talk Through Function. By pressing the button on the headset a direct communication with the flight crew is possible. The headset can still be worn. The for speech transmission important frequency range will be transmitted through the Talk Through Microphones. NoiseGardwill still protects from ambient noise while the feature Talk Through is active.