The DF-8FAST is a helmet-mounted tactical headset specifically designed for FAST-type helmets, delivering mission-critical audio performance in high-noise combat environments. It integrates advanced pulse noise reduction, intelligent ambient sound gain, and 360° spatial awareness, providing operators with superior hearing protection and situational intelligence without compromising helmet compatibility.
Key Features:
FAST Helmet Rail Mounting System – Designed with a dedicated bracket for seamless attachment to standard FAST helmet rails, ensuring stable positioning and quick detachment.
Pulse Noise Reduction Technology – Activates automatically when ambient noise exceeds 85dB, instantly reducing harmful impulse noise to safe levels while preserving speech clarity.
Intelligent Environmental Sound Gain – Amplifies low-level ambient sounds to improve natural hearing capability, helping operators stay alert to their surroundings.
360° Spatial Awareness – Omnidirectional microphone array enables precise sound source localization, enhancing battlefield command and control.
Extended Operation Time – Operates for over 200 hours on two AA batteries, ideal for extended missions.
|
Speaker |
Type | Transducer Moving coil dynamic speaker |
| Impedance | 50Ω±10% @1KHz | |
| Sensitivity | 81±4dB/224mV at 1KHz | |
| Frequency | 200~4KHz | |
| Rated input power | 0.1W | |
| Maximum input power | 0.2W | |
| Speaker specification | Size：ø23*7.2mm | |
|
Microphone |
Type | Electret condenser microphone |
| Impedance Max | ≤2.2KΩ @1KHz | |
| Sensitivity | -43± 4dB 0dB=1V/PA F= KHz Vs=2V | |
| Frequency | 200~4KHz | |
| Current consumption Max | ≤0.5mA | |
| Max sound pressure level | 110dB S.P.L( @1KHz THD<5%) | |
| Directivity | Unidirectional | |
| Signal-to-noise ratio | ≥58dB | |
| Operation voltage | 1.5~10V | |
| Microphone specification | Size：ø6.0*2.7mm |
