Franzis Bat Detector Hard Case - Remix
thingiverse
I extended the case, lengthened it slightly to provide more interior space, drilled holes into the base for M2 screws, and incorporated a surround to securely hold the speaker in the center of the grill. Additionally, I added a 3mm hole at the top for a Power LED installation. The entire kit can be sourced from Amazon for under £20. https://www.amazon.co.uk/gp/product/3645652760/ To address the issue of feedback when the volume is turned up, I added a Tube extender for the Mic.
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