The DF-5H is a new-generation neck-band communication and hearing protection headset, designed for users who require a secure fit with helmet or headgear compatibility. It enhances situational awareness while protecting operators from hazardous impulse noises, making it ideal for tactical and battlefield communication.
Key Features:
Neck-Band Design – Flexible, comfortable neck band designed for compatibility with helmets and other headborne equipment.
Advanced Noise Reduction (SNR=28dB) – Reduces damaging battlefield noises while simultaneously enhancing hearing and communication, improving operator effectiveness and lethality.
Improved Hear-Through Electronics Software – Delivers full 360° situational awareness and 3D sound localization in a dynamic design, enabling accurate all-directional sound perception for better command and control.
Crystal Clear Two-Way Communication – Provides clear communication for connection to various intercoms and radios, offering a perfect solution for battlefield communication.
Extended Power – Powered by two replaceable AA batteries for extended field use.
| Headphone | Impedance | 50Ω±15% |
| Resonance frequency | 550HZ±20% | |
| Sensitivity | 86dB±3dB @ AT 1000Hz / 224mV / 0.01m | |
| Rated input power | 0.1W @ AT 2.23V | |
| Max input power | 0.2W @ AT 3.16V | |
| Bandwidth | 150~15KHz @ OUTPUT S.P.L-10dB | |
| Passive Noise Reduction | -27dB ±1dB | |
| Working temperature | -30℃ ~ +60℃ | |
| Storage temperature | -40℃ ~ +70℃ | |
| Dynamic speaker | Power | 50mW |
| Impedance | 100Ω±15% @ AT 900Hz | |
| Sensitivity | 120dB±3dB @ AT 1000Hz / 316mV / 0.01m | |
| f0 | 500Hz±15% | |
| Frequency | 150Hz~15KHz @ OUTPUT S.P.L-10dB | |
| Integrated speaker impedance | 32Ω±15% @ AT 900Hz | |
| Integrated speaker power | 10mW | |
| Integrated speaker sensitivity | 120dB±3dB @ AT 1000Hz /179mV / 0.01m | |
| f0 | 600Hz±15% | |
| Integrated speaker frequency | 100Hz~15KHz @ OUTPUT S.P.L-10dB |