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Pilot headset with closed headphones and NoiseGard(tm) active noise cancellation. Wired for stereo or mono operation. Control unit provides: in-line dual volume control, audio in, cell phone in, switch for NoiseGard on/off, switch for mono/stereo, switch for boom left/right and 2-colored status LED. NoiseGard powered by two AA batteries. Features plush leatherette, collapsible headband with extra-soft ear cushions on distinctive brushed silver, lightweight ear cups. 25 dB passive, 16 dB active noise cancellation for use in very noisy aircraft environments. Noise-canceling electret microphone may be worn on either side.
Technical Data
| Attenuation (active + passive) |
>25 – 40 dB |
| Connector NoiseGard™ supply |
2 AA batteries |
| Connection cable |
Single-sided round cable, length 5.2 ft. (1.6 m) |
| Connector (headphones) |
6.3 mm stereo jack |
| Connector (microphones) |
PJ-068 (5.25 mm) equivalent |
| Contact pressure |
8 N, approx. |
| Ear coupling |
Around-the-ear, closed |
| Frequency response (headphones) |
20 – 20,000 Hz |
| Frequency response (microphone) |
300 - 5,000 Hz |
| Max. sound pressure level (active) |
120 dB |
| Nominal impedance |
400/300 Ω, mono; 600/600 Ω stereo |
| Operating temperature |
-15°C... +55°C |
| Operating time (battery) |
30 hours, approx. |
| Output voltage |
400 mV ± 3 dB 114 dB/SPL (as per. RTCA/DO 214) |
| Storage temperature |
-55°C... +70°C |
| Total harmonic distortion (THD) |
<1% |
| Transducer principle |
Dynamic |
| Transducer principle |
MKE 45-1 bipolar, electret, noise compensating |
| Weight w/o cable |
13.1 oz. (370 g) |
Control Unit
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