The DF-3 is an advanced electronic noise-reduction headset designed for extended tactical missions. It features selectable talk-through capability, allowing for clear communication while maintaining situational awareness, and is engineered for all-day comfort in high-noise environments like vehicles.
Electronic Noise Reduction: Specifically attenuates low-frequency vehicle noise and reduces impulse noise to safe levels.
Selectable Talk-Through Function: Allows the user to hear ambient sounds and conversations for enhanced situational awareness while protecting hearing.
Clear Radio Communication: Ensures high-quality, clear audio transmission and reception.
Ergonomic Design for Extended Wear: Features minimal clamping force and field-replaceable ear cushions for long-term comfort during missions.
Ambidextrous & Flexible: The noise-canceling microphone can be mounted on the left or right side, and the headband is flexible, foldable, and adjustable for a personalized fit and easy storage.
Long-Lasting Power: Powered by 2 AA batteries, providing up to 200 hours of operation.
Specification:
| Headphone | Size | 180mm*250mm |
| Weight | ＜400g | |
| Working hours | ＞200 hours | |
| Working temperature | -40℃ ~ +55℃ | |
| Storage temperature | -57℃ ~ +71℃ | |
| Noise reduction | NRR 21dB (SNR 24dB) | |
| Voice recognition | ＞95% | |
| Speaker | Sensitivity | 102±3dB @ f=1kHz (Pin=1Pa 0dB= 1V/Pa) |
| Impedance | 100±15%Ω @ f=1kHz (Pin=1Pa) | |
| Frequency | 125~8000Hz | |
| Rated input power | 100mW | |
| Max input power | 500mW | |
| Mic | Sensitivity | -68±3dB @ f=1kHz (Pin=1Pa 0dB= 1V/Pa) |
| Impedance | 150Ω @ f =1kHz (Pin=1Pa) | |
| Frequency | 125~8000Hz |
