Sound amplifying parabola for smartphones
cults3d
Listen and record long distance birdsongs or talks/whispers with this parabola designed for smartphones. You can even hear and locate propan gas leakages in caravans! The inner parabola shape is carefully and accurately mathematical calculated for focusing and direct the incoming soundwaves to one point - thats where youre smartphones microphone will be located. You can easily hear birds or conversations 100 meter/yards away thanks to the parabolas sound amplifying characteristics! Download any app for sound recording or live listening. Start the app and insert the smartphone in the gap and centrate the smartphones microphone in bottom of the parabola (see photo). Lock the smartphone in place with standard rubber bands. Point the parabola by looking through the aiming hole and start record or listen!
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