Headset Material: ABS plastic
Head Circumference: ≤70CM
Horn Type: High fidelity dynamic circle speaker
Horn Size: Φ30MM
Horn Impedance: 32Ω±15%
Horn Frequency Range: 100Hz - 20000Hz
Horn SPL: 94±3db (25mw/10mm at 1000Hz)
MIC Type: Removable microphone
MIC Sensitivity: -38db
MIC Impedance: ≤2.2kΩ
Plug Type: Military NATO standard 7.1mm plug
Noise Reduction: Active electronic noise reduction
Pickup Function: Yes
Pickup Adjustment: increase and reduce / + & -
Sound Amplification: Up to 4 times
Batteries: 2 x AA batteries (NOT INCLUDED)