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• Quick-Release Downlead Connections
Disconnect headset from downlead(s) to allow for set up on left, right or both sides.
System can quickly congure between single, dual, or no downlead.
• Noise Canceling Microphone
Mitigates background noise enabling clear communication. Can be mounted to left or
right earcup or removed as preferred.
• Integrated Microphone Mounting & Connection Point
Enables easy integration with any U-173/U standard plug.
• Earseals
Ergonomically designed to t head geometry, providing better seal and increased
noise attenuation.
• Auto Shut-Down
To preserve battery life, alert tones signal 3DHT shut down after two hours of
inactivity. Pressing volume button resets timer. Included AAA lithium batteries provide
115 hours of 3DHT use.
• Fail-Safe Communications
In the event of battery loss, 3DHT will power off leaving headset and earplugs to
operate for standard communication.