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When the frequency spectrum shows the sensitivity of the input audio, the CW rotates to switch between a single increase in sensitivity. 1 LED Music Spectrum Display Module. Input interface: 3.5mm unbalanced/XH2.54-3P.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.