Noise Reduction - FAQs
All files and documentation are offered on an *AS IS* basis and you assume full responsibility for using them.
NC Earbuds - Specifications 
-  Physical Design: "In-The-Ear"
-  Type: Closed, Dynamic
-  Magnet type: Neodymium
-  Sensitivity:
     93dB/mW (with power on) 
     89dB/mW (with power off)
-  Frequency Response 20-20,000Hz
-  Impedance:
     27 ohms at 1kHz w. active circuitry (power on) 
     16 ohms at 1kHz w/o active circuitry (power off)
-  Power Handling Capacity 1000mW(IEC)
-  Battery: 
     1 size AAA DC1.5V 
-  Cable length: 6' feet
-  Battery life expectancy is about 30-40 hours of continuous use 
   (depends on the battery type, quality & freshness).
-  Noise Reduction: 5dB w. noise canceling circuit switched on 
_____________________________________________________________________________