This product is intended for those who practice aviation sports where there is a need for radio communication in an environment with increased noise levels, and at the same time a protective helmet is required. The NC-2000BT-H is a NavComm headsets dedicated for NG-100 serie helmets. Developed on the basis of our top aviation's headsets NC-300 and equipped with a module for wireless audio transmission between headphones and a radio station working in the Buetooth standard.
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|Noise reduction method||Passive|
|Passive noise suppression||-24dB|
|Active noise suppression||-23dB|
|Speakers frequency response||20-17000 Hz|
|Speakers impedance||300 Ohm / 32 Ohm|
|Speakers effectiveness||95 +/-5 dB SPL|
|Microphone type||electret / dynamic|
|Microphone frequency response||100-8000 Hz|
|Microphone impedance||2,2 kOhm / 600 Ohm|
|Microphone sensitivity||-33 dB +/-4 (basic model)|
|Battery capacity||2400mAh headsets, 500mAh dongle|
|Additional features||Bluetooth, PTT|
|Power supply||Battery charger|
|Ear seals type||GEL|
The NC-2000BT-H is equipped with a wireless Bluetooth headset transceiver, and an external module with a radio plug. After establishing the connection between the headphones and the external module, the audio signal is transmitted to and from the radio station wirelessly. An additional function also implemented wirelessly is PTT (Push-To-Talk) - when pressing the button built into one of the headphones, the system turn on transsmision. The main advantage of this set is the lack of any cables connecting the headset to the radio, however the use of Bluetooth wireless connectivity also brings other advantages, such as the ability to establish a connection to a mobile phone. The kit contains two recherchable batteries of 2400mAh (headphones) and 500mAh (external module) and AC adapter to recherging them. There are four buttons built into the headset and one in the external module to control the set. They are allowing: turning on/off, pairing/unpairing, volume controling and PTT. In addition, the function key in the headset allows you to control some of the functions of mobile phones such as answering and rejecting incoming calls, re-selecting the last outgoing call, switching between the phone and the headset..
The NC-2000BT-H is available in two versions of shells holders: moving, the Peltor's type (two position with characteristic "clik" between them), or fixed, spring-loaded steel straps fitted to the helmet via a single screw. Rigid mounts are especially recommended for flying professionals. This type of mount ensures stronger attachment of shells to the head at higher speeds and with greater lateral overload. The Peltor's type is mostly dedicated for recreation flights.
The NC-2000BT-H contains a passive electronics (the ANR - active noise reduction system is available optionally) with 20-17000Hz speakers and an electret or dynamic differential microphone (depending on requirements). The microphone is attached to the shell via a flexible, "gooseneck" arm. The mic boom can be rotateing with a 320º angle allows to place shell with mic on left or right side. andIt is possible to body is adjustable with a force of 320º and the ability to swivel.
This model is equipped with a standard gel earpads. Located inside semi-liquid silicone ensures a perfect fit to the head. "Gels" is the only reasonable solution for people who want or need to wear glasses - their elements will not be hurt at the site of contact with the earpads. More than that your package includes soft, made of cotton overlay material mitigate the effects of prolonged contact of skin with an airtight surface of the gel inserts.
The NC-2000BT-H headphones provide 26dB of passive acoustic insulation. When using active electronics (NC-ANR) this value increases by an additional 24dB.
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