Simple External Circuit DC 3-6V 1-3A To 400kV 400000V Boost Step-Up Power Module
5,30 €
1x 3v-6v to 400kV Boost Step-up Power Module. 4Pcs 50MM Guitar Piezo Transducer Pickup Open Pickup For Guitar Mandolin Violin. current, small size, high efficiency, simple external circuit ( just plug in the switch, the battery can be ).
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