Pacific Coast Avionics PCA-ANR-II Headset

  10-12 dB of Active Cancellation 24-26 dB of Passive Attenuation Features: Battery-Saving Auto Shut-Off Cell Phone / Music Input Small In-Line Battery Control Box Two 'AA' Batteries Provide Up To 40 Hours of Operation Battery Status Indicator Dual Volume Controls, Stereo/Mono Selection Reversible Boom Allowing for Left or Right Side Operation Adjustable Gain Pre-amp Allowing for Field 'Balancing' of Mic Sensitivities 3-Year Warranty General Data: Connector: .250" stereo plug, .206 stereo microphone plug Power Supply: Small 'In-Line' with left and right ear level control, stereo/mono switch Batteries: (2) AA's Operating Time: 20-25 Hours Weight: 14 oz. Headphone Data: Transducer: Dynamic Frequency Response: 24-17,000 Hz Nominal Impedance: 300 ohms stereo, 150 ohms mono Microphone Data: Transducer Principle: Noise cancelling electret Frequency Response: 200-5000 Hz Maximum SPL: 114 dB Terminating Impedance: 470 ohms Operating Voltage: 8-16V DC Appx 5-12mA