3.5mm Jack Socket For Headphone Connection. Volume Control And Lo-Cut Switch To Adjust Sound Quality. Can Be Used Along With With An Induction Loop System To Create An Unobtrusive Audio Tour Guide For Art Galleries- Museums Etc.. Supplied With In-Ear HeadphonesA compact- battery powered belt-clip receiver for testing and setting up induction loop systems.. Power supply:9Vdc (PP3 battery included)nControls:Volume- lo-cut switchnConnection:3.5mm headphone jacknHeadphone impedance:32 Ohms nominalnDimensions:60 x 117 x 32mmnWeight:80g (no battery)
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