WPI-450 inductive loop amplifier is designed for church buildings and conference rooms of area up to 800 m². It is used to transmit the acoustic signal by means of a special loop made by a wire of a section of 1-2,5 mm². The reception of the signal is via an OPI wireless receiver connected with headphones or hearing aids for poorly hearing people. In one system there can be used any number of OPI wireless receivers.
|WPI - 450||OPI|
|Audio input (XLR)||2 x mic, 1 x mic/line||-|
Max loop area
|450 m² - 800 m²||-|
|Loop impedance||0.1Ω - 1Ω||-|
Loop current intensity [RMS]
|Input sensitivity||- 50 dB mic., - 10 dB line||-|
|Bandwidth||40 - 20 000 Hz||18 - 20 000 Hz|
|Non-linear distortions THD+N||<0,25%||<0,25%|
|Max. Stromaufnahme||300 VA||-|
|Power supply||230V~, 50 Hz||2 x 1.5V (battery R6)|
|Measurements width/height/depth (mm)||443x50x205||62x21x100|
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