ECN21-Ex

 Highlights
1. Ideal for high-noise environment with noise reduction of 23dB
2. Ear cushions for excellent sealing and comfort
3. Dual PTT for enhanced convenience
4. Adjustable strap for secure and flexible fit 

Specification
Speaker
1. Sound pressure level: 80±3dB / 200mW / 0,5m
2. Power: rated power: 200mW,   max. power: 500mW
3. Impedance: 2x150Ω±15%@1kHz 

Microphone
1. Sensitivity: -50±4dB @1kHz  0dB=1v/pa
2. Output impedance: 2200Ω@1kHz 
3. Directionality: Unidirectional
PTT life cycle: ≥100,000 times
IP class: IP57