Marshmallow Contact Microphone with Preamp - YouTube
High Quality Piezo Contact Microphone, Mono Jack 3.5mm, 120cm cable
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Meet The Makers! DIY touch contact mic workshop · Yorkshire Sound Women Network
Contact Mics Contact Microphones Piezoelectronic Transducers Piezo Microphones Weirdo Gadgets Designed by Crank Sturgeon Manufactured by Huso Solutions since 2007
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How to make your own Contact Mic (no solder) - YouTube
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Simple Contact Microphone
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