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The premex HP86 noise-canceling headphones are specially designed for use in high noise environments. The two-side earmuffs are installed directly in the mounting groove of the helmet, more convenient for the operator to wear.
HP-86Y(Yellow case) HP-86BK(Black case)
- ●The earmuffs are made of imitation leather and soft thickened material, which can fully isolate the noise and ensure the comfort of the wearer for a long time.
- ●With 3.5 mm audio input interface, plug-in external audio source


| Earphone unit parameters | |
| Unit size | 50mm housing |
| Weight of single earmuffs | 14.8g |
| Impedance | 32Ω At around 1KHz |
| Rated power | Normal 30mW RMS Maximum 100mW |
| Output sound pressure level | 95±3dB /1mW /1cm Average at 1.0K, 1.2K, 1.5K, 2.0KHz |
| Resonance | 100Hz |
| Bandwidth | 100Hz~3000Hz |
