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The Invisity ear prompter by Phonak is the smallest in-ear RF receiver in the world
Comfortable to wear, the Invisity ear prompter guarantees an excellent sound quality, is suited to situations where it is vital to clearly receive messages and where discretion and freedom of movement are necessary.
It offers total freedom of movement and is ergonomically designed for day-long wearer comfort while providing an outstanding sound quality.
Today invisity is a unique in-ear prompter, used and trusted by broadcasters, filmmakers worldwide, and security professionals (interviews, questionings).
Size and Specs :
|Frequency ||fixed or programmable (single or multi), 7MHz band|
|Frequency response||200 Hz - 4500 Hz|
|Audio signal output||94 dBSPL measured in a 1.3 cc ear simulator (Volume 1 default setting), 102 dBSPL measured in a 1.3 cc ear simulator (Volume 2 default setting), |
or adjustable on 4-channel model
|Sensitivity||SINAD >17 dB @ E=3mV/m|
|Channel selectivity||>50 dB (at 200 kHz channel spacing)|
|Spurious emissions||below -57 dBm ERP|
|Distortion||>5% (depends on volume setting)|
|Battery life||13 h (constant reception) using Phonak battery|
|Power consumption||3,3 mA|
|SNR (signal over noise ratio)||approx. 41dB in the AGC @ 1 kHz|
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