PRYME heavy duty EX and noise-canceling headphones HP70EX are professional grade radios noise-canceling headphones designed for use in high noise environments, and can be used in a variety of explosive hazards, such as chemical plants, energy exploration, airports, racing tracks, ships, engineering command, stage command and other high-noise complex environment
- ●Dual muff style headset with adjustable over-the-head, padded headband
- ●Lightweight, comfortable and easy to adjust
- ●Aviation-style boom microphone with flexible arm
- ●Standard Electret Condensor Microphone provides clear, crisp audio in all applications.Dynamic and electronic Noise Cancelling Microphone elements optional and very easy to change (2 screws)
- ●Tactile PTT button mounted on right earcup.Adjustable volume control on left earcup
- ●Loud muff earphones for the user to hear incoming signals easily
●Easy to replace foam Ear Pads.Optional Gel Ear Pads and Cloth Ear Pad covers available.
●Removable and replaceable radio interface cable
●Flat black finish resists scratches and dirt.
| 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 |
| Microphone parameters | |
| Materials | ABS Plastic |
| Sensitivity | -47±3dB (at L=50mm) (0dB=1V/Pa,1KHz) |
| Impedance | Low impedance 680Ω |
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